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Html 在线网站布局与本地网站不同_Html_Css_Alignment_Cross Browser - Fatal编程技术网

Html 在线网站布局与本地网站不同

Html 在线网站布局与本地网站不同,html,css,alignment,cross-browser,Html,Css,Alignment,Cross Browser,<html> <head> <!-- Meta information --> <meta http-equiv="content-type" content="text/html;charset=utf-8" /> <!-- Favicon --> <LINK REL="SHO

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
我目前只使用两种浏览器测试网站:

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
Rockmelt&Chrome

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
岩石融化问题:

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
body {
        font-family:sans-serif;
        background: url(images/background4.png);
        margin:0px;
    }


        /********************\
        ******* Header *******
        \********************/

    .header
     {
        background: url(images/Header.png);
        text-indent:-9999px;
        width:1092px;
        height:132px;
        margin:auto;
    }

    .headerdiv{
        width:100%;
        margin:0;
        background:gray;

    }


        /********************\
        *** Navigation Bar ***
        \********************/

    .navigation {
        background:black url(Navigation/Navigation/nav_background.png);
        height:40px;
        margin-bottom:0px;
        padding-left:10%;
        font-size: 0; /*remove whitespace*/
        display:block;
        width:100%;
    }

    .navigation li{
        display:inline-block;
        line-height: 40px;
        font-size:16px;
            }

    .navigation li a{
        display:block;
        color:#FFFFFF;
        padding: 2px 10px;
    }

    .navigation li a em{
        height:32px;
        display:inline-block;
        padding: 0 5px 6px 60px;
        font-weight:bold;
        vertical-align: middle;
        background-position: 0 50%;
        font-size:16px;
    }

    .navigation li a:hover{
        color:#00CCFF;
        background: url(Navigation/Navigation/nav_hover.png) no-repeat;
        text-decoration:none;
        padding: 2px 10px;
    }

    .navigation .current a {
        color:#FFFFFF;
        background:url(Navigation/Navigation/nav_hover.png) no-repeat;
        padding: 2px 10px;
    }


    /*Navigation bar icons*/
    .navigation li a em.home, em.photos, em.projects, em.about, em.contact{
        background-repeat: no-repeat;
        margin-bottom:5px;
    }

    .navigation li a em.home {
        background-image: url(Navigation/Icon_images/home.png);

    }

    .navigation li a em.photos{
        background-image: url(Navigation/Icon_images/Photo.png);
    }


    .navigation li a em.projects{
        background-image: url(Navigation/Icon_images/projects.png);
    }


    .navigation li a em.about{
        background-image: url(Navigation/Icon_images/about.png);
    }

    .navigation li a em.contact{
        background-image: url(Navigation/Icon_images/Contact.png);
    }
    /*Navigation bar icons STOP*/



    /* Main Wrapper */
    .wrap {
          margin:auto;
          width:80%;
          background:yellow;
        }


        /********************\
        ******* Content ******
        \********************/

    .content
     {
        background:url(images/outlets.png);
        float:left;
        width:80%;
        height:auto;
        min-width:500px;
        min-height:900px;
        display:inline;
        color:white;
        border-bottom-left-radius: 50px 50px;

    }

    .content h1, p, form, label{
        color:white;
    }


        /********************\
        ******* Sidebar ******
        \********************/

    aside{
        background: url(images/egg_shell2.png);
        float:left;
        width:20%;
        height:inherit;
        min-height:900px;
        min-width:125px;
        display:inline;
        border-bottom-right-radius: 50px 50px;
    }


    aside ul {
        padding-left:1px;
        list-style:none;
    }


        /********************\
        ****** General *******
        \********************/

    ul a {
        text-decoration:none;
        color: #666;
    }

    ul a:hover {
        text-decoration:underline;
        color:black;
    }



    li {
        list-style:none;
        margin-bottom:20px;
    }

    label {
        display: block;
        cursor: pointer;
        color: #292929;
        font-family:sans-serif;
        padding-bottom:8px;
    }

    form ul {
        padding-left:0px;
    }

    textarea {
        width:400px;
        height:220px;

    }

    #contact {
        padding-left:5px;
        font-weight:bolder;
    }

    #Andapp{
    margin-top:50px;
    }

        /********************\
        ******* Footer *******
        \********************/

    .footer{
        float:left;
        height:150px;
        width:100%;
        background-color:gray;
        margin-top:100px;
        text-align:center;
    }
在rockmelt浏览器中打开时,除“关于”选项卡外,所有功能均正常运行。当它被按下时,我的标题消失了。我甚至试着从我的另一个选项卡复制代码,这些选项卡看起来都一样(但没有标题问题),但问题仍然存在

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
铬问题:

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
body {
        font-family:sans-serif;
        background: url(images/background4.png);
        margin:0px;
    }


        /********************\
        ******* Header *******
        \********************/

    .header
     {
        background: url(images/Header.png);
        text-indent:-9999px;
        width:1092px;
        height:132px;
        margin:auto;
    }

    .headerdiv{
        width:100%;
        margin:0;
        background:gray;

    }


        /********************\
        *** Navigation Bar ***
        \********************/

    .navigation {
        background:black url(Navigation/Navigation/nav_background.png);
        height:40px;
        margin-bottom:0px;
        padding-left:10%;
        font-size: 0; /*remove whitespace*/
        display:block;
        width:100%;
    }

    .navigation li{
        display:inline-block;
        line-height: 40px;
        font-size:16px;
            }

    .navigation li a{
        display:block;
        color:#FFFFFF;
        padding: 2px 10px;
    }

    .navigation li a em{
        height:32px;
        display:inline-block;
        padding: 0 5px 6px 60px;
        font-weight:bold;
        vertical-align: middle;
        background-position: 0 50%;
        font-size:16px;
    }

    .navigation li a:hover{
        color:#00CCFF;
        background: url(Navigation/Navigation/nav_hover.png) no-repeat;
        text-decoration:none;
        padding: 2px 10px;
    }

    .navigation .current a {
        color:#FFFFFF;
        background:url(Navigation/Navigation/nav_hover.png) no-repeat;
        padding: 2px 10px;
    }


    /*Navigation bar icons*/
    .navigation li a em.home, em.photos, em.projects, em.about, em.contact{
        background-repeat: no-repeat;
        margin-bottom:5px;
    }

    .navigation li a em.home {
        background-image: url(Navigation/Icon_images/home.png);

    }

    .navigation li a em.photos{
        background-image: url(Navigation/Icon_images/Photo.png);
    }


    .navigation li a em.projects{
        background-image: url(Navigation/Icon_images/projects.png);
    }


    .navigation li a em.about{
        background-image: url(Navigation/Icon_images/about.png);
    }

    .navigation li a em.contact{
        background-image: url(Navigation/Icon_images/Contact.png);
    }
    /*Navigation bar icons STOP*/



    /* Main Wrapper */
    .wrap {
          margin:auto;
          width:80%;
          background:yellow;
        }


        /********************\
        ******* Content ******
        \********************/

    .content
     {
        background:url(images/outlets.png);
        float:left;
        width:80%;
        height:auto;
        min-width:500px;
        min-height:900px;
        display:inline;
        color:white;
        border-bottom-left-radius: 50px 50px;

    }

    .content h1, p, form, label{
        color:white;
    }


        /********************\
        ******* Sidebar ******
        \********************/

    aside{
        background: url(images/egg_shell2.png);
        float:left;
        width:20%;
        height:inherit;
        min-height:900px;
        min-width:125px;
        display:inline;
        border-bottom-right-radius: 50px 50px;
    }


    aside ul {
        padding-left:1px;
        list-style:none;
    }


        /********************\
        ****** General *******
        \********************/

    ul a {
        text-decoration:none;
        color: #666;
    }

    ul a:hover {
        text-decoration:underline;
        color:black;
    }



    li {
        list-style:none;
        margin-bottom:20px;
    }

    label {
        display: block;
        cursor: pointer;
        color: #292929;
        font-family:sans-serif;
        padding-bottom:8px;
    }

    form ul {
        padding-left:0px;
    }

    textarea {
        width:400px;
        height:220px;

    }

    #contact {
        padding-left:5px;
        font-weight:bolder;
    }

    #Andapp{
    margin-top:50px;
    }

        /********************\
        ******* Footer *******
        \********************/

    .footer{
        float:left;
        height:150px;
        width:100%;
        background-color:gray;
        margin-top:100px;
        text-align:center;
    }
最初在谷歌浏览器中打开网站时,导航栏是垂直对齐的。但是,如果您按下其他一些选项卡,则该条会像预期的那样水平对齐(即使您返回“主页”选项卡)。但是如果你快速点击标签,有可能会再次垂直对齐

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
我希望有人能帮我解决这个问题,因为我看不出其中的逻辑

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
主页选项卡的我的HTML代码:

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
标记未关闭。最好将样式抽象到CSS文件中,并关注HTML中的内容

    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>

您可以通过运行HTML来帮助您处理这些类型的错误。

快速浏览您的代码,我发现您有很多小错误。例如没有正确关闭标记或关闭不应该有任何关闭标记的标记。许多浏览器试图捕捉这些错误并自行修复。有时,当浏览器无法修复\修复错误时,您会得到奇怪的输出。很难理解“选项卡”是什么意思。每个HTML示例都有完整的HTML->BODY-type结构。这些是在同一个页面上使用的吗?如果是这样的话,有重复的HTML和BODY标记真的很糟糕。@Flo你能给我一个“未正确关闭标记”的例子吗?这样我就知道我应该寻找什么了?其他的应该很容易找到。谢谢你的指点out@MikeBrant我已经制作了5个共享相同CSS代码的独立页面,使它们看起来很像。这不是你在网站上建立导航的方式吗?不要介意每一页的内容,我还在开发中,所以有3页的内容相似。我刚刚明白了你所说的重复HTML标记是什么意思。@JonasPedersen很抱歉,只是你在调用这些“标签”而不是页面时使用的术语让我认为这可能是单个网页上标签内容的单个HTML内容。
    <html>

        <head>

            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                    <!--Navigation bar-->
                    <ul class="navigation">
                        <li class="current"><a href="index.html"><em class="home"/>Home</a></li> <!-- Current selection -->
                        <li><a href="photos.html"><em class="photos"/>Photos</a></li>
                        <li><a href="projects.html"><em class="projects"/>Projects</a></li>
                        <li><a href="about.html"><em class="about"/>About</a></li>
                        <li><a href="contact.html"><em class="contact"/>Contact</a></li>
                    </ul>


            <div class="wrap">

                <div class="content">

                    <br>My new selection

                        <form action="" method="get">
                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
                        </form>

            </div> <!-- Wrap end -->

                        <!-- Sidebar -->
                        <aside>
                            <h2>Sidebar</h2>
                                <ul class="sidebar">
                                    <li class="sidebarli"><a href="#">Lol1</a></li>
                                    <li class="sidebarli"><a href="#">Lol2</a></li>
                                    <li class="sidebarli"><a href="#">Lol3</a></li>
                                    <li class="sidebarli"><a href="#">Lol4</a></li>
                                </ul>
                        </aside>


                </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>
    <html>

        <head>


            <!-- Meta information -->
            <meta http-equiv="content-type" 
                content="text/html;charset=utf-8" />


            <!-- Favicon -->
            <LINK REL="SHORTCUT ICON" HREF="favicon.ico">

            <!-- Title -->
            <title> Jonas - Development page </title>

            <!-- Stylesheet -->
            <link rel="stylesheet" href="style.css" />


        </head>

    <body>

    <!-- Header of page -->
    <div class="headerdiv">
            <h1 class="header">Mohr Development</h1>
    </div>

                <!-- Navigation bar -->
                <ul class="navigation">
                    <li><a href="index.html"><em class="home"/><b>Home</b></a></li>
                    <li><a href="photos.html"><em class="photos"/><b>Photos</b></a></li>
                    <li><a href="projects.html"><em class="projects"/><b>Projects</b></a></li>
                    <li class="current"><a href="about.html"><em class="about"/><b>About</b></a></li>
                    <li><a href="contact.html"><em class="contact"/><b>Contact</b></a></li>
                </ul>


    <div class="wrap">

        <div class="content">


            <form action="" method="get">

                            <ul>
                                <li>
                                    <label for="name"><font color="white">Enter your name:</font></label>
                                    <input id="name" name="name"/>
                                </li>

                                <li>
                                    <label for="comments"><font color="white">Your comments</font></label>
                                    <textarea id="comments" name="comments"></textarea>
                                </li>

                                <li>
                                    <label for="css"><font color="white">Do you like CSS?</font></label>
                                    <input type="checkbox" name="css" id="css" />
                                </li>

                                <li>
                                    <label for=""><font color="white">Favorite Language?</font></label>
                                    <input type="radio" /> CSS
                                    <input type="radio" /> HTML
                                    <input type="radio" /> JavaScript
                                    <input type="radio" /> PHP
                                </li>

                                <li>
                                    <input type="submit" value="Go!"/>
                                </li>
                            </ul>
            </form>

    </div> <!-- Wrap end -->


            <!-- Sidebar -->
            <aside>

                <h2>Sidebar</h2>
                <ul class="sidebar">
                                <li class="sidebarli"><a href="#">Lol1</a></li>
                                <li class="sidebarli"><a href="#">Lol2</a></li>
                                <li class="sidebarli"><a href="#">Lol3</a></li>
                                <li class="sidebarli"><a href="#">Lol4</a></li>
                </ul>

            </aside>

        </div> <!-- Content end -->


    <div class="footer">

        <p>Copyright © Mohrdevelopment.com</p>

    </div> <!-- Footer end -->

    </body>

    </html>