Html 简化全宽导航栏
我创建了一个导航栏,上面有悬停时显示的下拉菜单。导航栏居中并嵌套在具有相同高度和100%宽度的div中。我想知道如何让导航栏在不使用父div的情况下扩展整个宽度,同时保持项目居中。导航栏在Html 简化全宽导航栏,html,css,drop-down-menu,Html,Css,Drop Down Menu,我创建了一个导航栏,上面有悬停时显示的下拉菜单。导航栏居中并嵌套在具有相同高度和100%宽度的div中。我想知道如何让导航栏在不使用父div的情况下扩展整个宽度,同时保持项目居中。导航栏在IE10/Chrome/Firefox中正确嵌套,但在jsfiddle中不正确嵌套 我想清理一下代码。我去给导航添加了一个z索引,因为在chrome/jsfiddle中,下拉列表只会断断续续地显示 HTML: 以下是您需要为ul元素将宽度设置为100%。您需要做的是在下拉列表中添加宽度:100%和显示:bloc
IE10
/Chrome
/Firefox
中正确嵌套,但在jsfiddle
中不正确嵌套
我想清理一下代码。我去给导航添加了一个z索引,因为在chrome/jsfiddle中,下拉列表只会断断续续地显示
HTML:
以下是您需要为
ul
元素将宽度设置为100%
。您需要做的是在下拉列表中添加宽度:100%
和显示:block
。
我已经清理了一点代码
这是HTML
<div id="wrap">
<nav>
<ul class="mainNavigation">
<li><a href="#">Home</a></li>
<li><a href="about.html" Title="About View Point">About</a></li>
<li><a href="episodes.html" Title="Episode Guide">Episodes</a>
<ul class="subNavigation">
<li><a>Latest Episodes:</a></li>
<li><a href="episodes.html#Episode16">Episode 16</a></li>
<li><a href="episodes.html#Episode17">Episode 17</a></li>
<li><a href="episodes.html#Episode18">Episode 18</a></li>
<li><a href="episodes.html#Episode19" Title="Coming Soon...">Episode 19</a></li>
</ul>
</li>
<li><a href="#" Title="Underwriters">Underwriters</a></li>
<li><a href="PSA.html" Title="PSA Partners">PSA Partners</a></li>
<li><a>Donate</a>
<ul>
<li><a>[PAYPAL]</a></li>
</ul>
</li>
<li style="border-right:0px"><a>Contact</a>
<ul>
<li><a>[SITE]<bR>[ADDRESS]<br>Omaha, Nebraska 68164</a></li>
<li><a href="tel:402-555-1212">Phone: 402-555-1212</a></li>
<li><a href="mailto:info@website.org?Subject=Inquiry" target="_top">Email: info@website.org</a></li>
</ul>
</li>
</ul>
</nav>
</div>
查看jsfiddle
是的,但当我这样做时,导航内容不再居中,它们与屏幕左侧对齐(由于nav ul li中的“float:left”,如果我移除了float,则项目堆叠在一起。
#wrap {
height:42px;
background-color:#281E67;
position:absolute;
width:100%;
z-index: 3;
}
nav {
margin: 0 auto;
text-align: center;
z-index: 999;
}
nav ul ul {
display: none;
z-index:999;
}
nav ul li:hover > ul {
display: block;
z-index:999;
}
nav ul {
background: #281E67;
padding: 0 30px;
list-style: none;
position: static;
display: inline-table;
z-index:999;
}
nav ul:after {
content:"";
clear: both;
display: block;
}
nav ul li {
float: left;
border-right:1px solid rgba(76, 76, 255, .4);
z-index:999;
}
nav ul li:hover {
background: -webkit-linear-gradient(top, #3E2E9E, #2E2276);
/* For Safari 5.1 to 6.0 */
background: -o-linear-gradient(top, #3E2E9E, #2E2276);
/* For Opera 11.1 to 12.0 */
background: linear-gradient(top, #3E2E9E, #2E2276);
/* Standard syntax */
background:-moz-linear-gradient(top, #3E2E9E, #2E2276);
z-index:999;
}
nav ul li:hover a {
color: #fff;
z-index:999;
}
nav ul li a {
display: block;
padding: 11px 40px;
/*---navbar height---*/
color: #FFF;
text-decoration: none;
z-index:999;
}
nav ul ul {
background: #281E67;
border-radius: 0px;
padding: 0;
position:absolute;
top: 100%;
z-index:999;
}
nav ul ul li {
float: none;
border-bottom: 1px solid rgba(76, 76, 255, .4);
white-space: nowrap;
z-index:999;
}
nav ul ul li a {
padding: 10px 30px;
color: #fff;
z-index:999;
}
nav ul ul li a:hover {
background: #281E67;
background: -webkit-linear-gradient(top, #3E2E9E, #2E2276);
/* For Safari 5.1 to 6.0 */
background: -o-linear-gradient(top, #3E2E9E, #2E2276);
/* For Opera 11.1 to 12.0 */
background: linear-gradient(top, #3E2E9E, #2E2276);
/* Standard syntax */
background:-moz-linear-gradient(top, #3E2E9E, #2E2276);
z-index:999;
}
nav ul ul ul {
position: absolute;
left: 100%;
top:0;
z-index:999;
}
<div id="wrap">
<nav>
<ul class="mainNavigation">
<li><a href="#">Home</a></li>
<li><a href="about.html" Title="About View Point">About</a></li>
<li><a href="episodes.html" Title="Episode Guide">Episodes</a>
<ul class="subNavigation">
<li><a>Latest Episodes:</a></li>
<li><a href="episodes.html#Episode16">Episode 16</a></li>
<li><a href="episodes.html#Episode17">Episode 17</a></li>
<li><a href="episodes.html#Episode18">Episode 18</a></li>
<li><a href="episodes.html#Episode19" Title="Coming Soon...">Episode 19</a></li>
</ul>
</li>
<li><a href="#" Title="Underwriters">Underwriters</a></li>
<li><a href="PSA.html" Title="PSA Partners">PSA Partners</a></li>
<li><a>Donate</a>
<ul>
<li><a>[PAYPAL]</a></li>
</ul>
</li>
<li style="border-right:0px"><a>Contact</a>
<ul>
<li><a>[SITE]<bR>[ADDRESS]<br>Omaha, Nebraska 68164</a></li>
<li><a href="tel:402-555-1212">Phone: 402-555-1212</a></li>
<li><a href="mailto:info@website.org?Subject=Inquiry" target="_top">Email: info@website.org</a></li>
</ul>
</li>
</ul>
</nav>
</div>
#wrap{
height:41.5px;
background-color:#281E67;
position:absolute;
width:100%;
z-index: 3;
}
nav {
margin: 0 auto;
text-align: center;
z-index: 999;
}
nav ul ul {
display: none;
z-index:999;
background: #281E67; border-radius: 0px; padding: 0;
position:absolute; top: 100%;
z-index:999;
}
nav ul li:hover > ul {
display: block;
z-index:999;
}
nav ul.mainNavigation {
background: #281E67;
padding: 0 30px;
list-style: none;
position: static;
display: inline-table;
z-index:999;
width: 100%;
}
nav ul:after {
content: ""; clear: both; display: block;
}
nav ul li {
/*float: left;*/
display:inline-block;
border-right:1px solid rgba(76,76,255,.4);
z-index:999;
}
nav ul li:hover {
background: -webkit-linear-gradient(top, #3E2E9E, #2E2276); /* For Safari 5.1 to 6.0 */
background: -o-linear-gradient(top, #3E2E9E, #2E2276);/* For Opera 11.1 to 12.0 */
background: linear-gradient(top, #3E2E9E, #2E2276);/* Standard syntax */
background:-moz-linear-gradient(top, #3E2E9E, #2E2276);
z-index:999;
}
nav ul li:hover a {
color: #fff;
z-index:999;
}
nav ul li a {
display: block; padding: 11px 40px; /*---navbar height---*/
color: #FFF; text-decoration: none;
z-index:999;
}
nav ul ul li {
display:block;
float: none;
border-bottom: 1px solid rgba(76,76,255,.4);
white-space: nowrap;
z-index:999;
}
nav ul ul li a {
padding: 10px 30px;
color: #fff;
z-index:999;
}
nav ul ul li a:hover {
background: #281E67;
background: -webkit-linear-gradient(top, #3E2E9E, #2E2276); /* For Safari 5.1 to 6.0 */
background: -o-linear-gradient(top, #3E2E9E, #2E2276);/* For Opera 11.1 to 12.0 */
background: linear-gradient(top, #3E2E9E, #2E2276);/* Standard syntax */
background:-moz-linear-gradient(top, #3E2E9E, #2E2276);
z-index:999;
}
nav ul ul ul {
position: absolute; left: 100%; top:0;
z-index:999;
}