为什么当我对子div标记应用边距时,它会影响父div标记是CSS?
我有下面的代码,我想知道为什么当我应用为什么当我对子div标记应用边距时,它会影响父div标记是CSS?,css,Css,我有下面的代码,我想知道为什么当我应用边距上限时会出现这种情况:100px对于徽标id,它会影响包装器div标记,因为它也继承了100px的边距顶部,但是如果我应用填充顶部它会按照我希望的方式工作 <meta name="keywords" content="" /> <meta name="description" content="" /> <meta name="author" content="" /> <lin
边距上限时会出现这种情况:100px
对于徽标id,它会影响包装器div标记,因为它也继承了100px的边距顶部
,但是如果我应用填充顶部
它会按照我希望的方式工作
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
代码
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
因此,如果我将padding top
更改为margin top
,您会注意到背景色向下移动了100px
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
进一步编辑
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
根据每个人对垂直边距崩溃的反应,我发现了一个很好的指南,适合像我这样的初学者
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
我想知道为什么当我申请margintop:100px代码>到
logo id它影响包装器div标记,因为它还继承了
100px的页边距顶部
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
听起来你需要仔细阅读正在崩溃的页边距
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
一个可能的快速修复方法是将溢出:隐藏设置在#innerwrapper
上,这是它的一部分。这是一种渲染现象;实际上没有什么东西是被继承的
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
这些声明特别令人感兴趣:
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
相邻的垂直边缘塌陷
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
两个边距相邻当且仅当:
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>
- 无线框、无间隙、无填充和无边框将它们分隔开
- 两者都属于垂直相邻的长方体边缘,即形成以下一对:
- 框的上边距及其第一个流入子项的上边距
在这种情况下,#wrapper
、#innerwrapper
和#logo
的顶部边距都会受到折叠的影响。您是否可以包括导致问题的标记的示例以及CSS?“标记”指的是HTML。CSS不是一个时钟-谢谢。我不知道。如果不是标记
,CSS指的是什么?它是一种样式表语言。有时我只是把我的CSS代码称为“样式”(甚至是“代码”)。哇,我没有意识到有这样的东西。我一边说一边读。然而,我不明白为什么我会在#innerwrapper
上将溢出设置为隐藏
,而不是#wrapper
?我确信这两种方法都会起作用,因为#logo
都包含在两者中。
<meta name="keywords" content="" />
<meta name="description" content="" />
<meta name="author" content="" />
<link rel="icon" type="image/png" href="" />
<link rel="stylesheet" type="text/css" media="all" href="" />
<style type="text/css" media="all">
* {
margin: 0px;
padding: 0px;
}
body {
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size: 1em;
font-style: normal;
font-color: normal;
color: #ffffff;
}
#wrapper {
background-color: #018eb9;
width: 100%;
height: 300px;
}
#innerwrapper {
width: 600px;
margin: 0px auto;
}
#logo {
padding-top: 100px;
}
#menu li {
display: inline;
}
</style>
<title>Sample</title>
</head>
<body>
<div id="wrapper">
<div id="innerwrapper">
<div id="logo">logo</div>
<div id="menu">
<ul>
<li>home</li>
<li>about</li>
<li>faq</li>
</ul>
</div>
</div>
</div>
</body>