Pure html5 css3 drop-down navigation menu implementation code_html5 tutorial skills-H5 Tutorial-php.cn

Pure html5 css3 drop-down navigation menu implementation code_html5 tutorial skills
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Release： 2016-05-16 15:49:57
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<!DOCTYPE HTML> 
<html> 
<head> 
<meta charset="UTF-8" /> 
<title>纯html+css导航</title> 
<!-- mulder --> 
<!-- qq:10221408 --> 
<!-- 只支持 chrome firefox --> 
<style> 
*{ 
margin:0; 
padding:0; 
} 
.clear:after { 
clear: both; 
content: "."; 
display: block; 
height: 0; 
visibility: hidden; 
} 
nav{ 
display:inline-block; 
border:1px solid #505255; 
border-bottom: 1px solid #282C2F; 
-moz-border-radius: 5px; 
-webkit-border-radius: 5px; 
margin:50px; 
-webkit-box-shadow:1px 1px 3px #292929; 
-moz-box-shadow:1px 1px 3px #292929; 
} 
li{ 
list-style:none; 
float:left; 
border-right: 1px solid #2E3235; 
position: relative; 
/*background: -moz-linear-gradient(top, #fff, #555D5F 2% ,#555D5F 50%,#3E4245 100%); 
background: -webkit-gradient(linear, 0 0, 0 100%, from(#fff), color-stop(2%, #555D5F), color-stop(50%, #555D5F),to(#3E4245));*/ 
background:#555D5F; 
} 
li:hover{ 
/*background: -moz-linear-gradient(top, #fff, #3E4245 2% ,#555D5F 80%,#555D5F 100%); 
background: -webkit-gradient(linear, 0 0, 0 100%, from(#fff), color-stop(2%, #3E4245), color-stop(80%, #3E4245),to(#555D5F));*/ 
background:#3E4245; 
-moz-transition: background 1s ease-out; 
-webkit-transition: background 1s ease-out; 
} 
li a{ 
display:block; 
height:40px; 
line-height:40px; 
padding:0 30px; 
font-size:12px; 
color:#fff; 
text-shadow: 0px -1px 0px #000; 
text-decoration:none; 
white-space:nowrap; 
border-left: 1px solid #999E9F; 
border-top: 1px solid #999E9F; 
-moz-border-top-left-radius: 2px; 
-webkit-border-top-left-radius: 2px; 
z-index:100; 
} 
li > a{ 
position:relative; 
} 
li.first a{ 
-moz-border-radius-topleft: 4px; 
-moz-border-radius-bottomleft: 4px; 
-webkit-border-top-left-radius: 4px; 
-webkit-border-bottom-left-radius: 4px; 
} 
li.last{ 
border-right: 0 none; 
} 
dl{ 
position:absolute; 
display:block; 
top:40px; 
left: -25px; 
width:165px; 
background:#222222; 
-moz-border-radius: 5px; 
-webkit-border-radius: 5px; 
-webkit-box-shadow:1px 1px 3px #292929; 
-moz-box-shadow:1px 1px 3px #292929; 
z-index:10; 
} 
li:hover dl{ 
top:50px; 
display:block; 
width:145px; 
padding:10px; 
} 
dl a{ 
background:transparent; 
border:0 none; 
-moz-border-radius: 5px; 
-webkit-border-radius: 5px; 
-moz-transition: background 0.5s ease-out; 
-webkit-transition: background 0.5s ease-out; 
z-index:50; 
} 
dl a:hover{ 
color:#FFF; 
background:#999E9F; 
-moz-transition: background 0.3s ease-in-out, color 0.3s ease-in-out; 
-webkit-transition: background 0.3s ease-in-out, color 0.3s ease-in-out; 
} 
dd{ 
margin-top:-40px; 
opacity:0; 
width:145px; 
-webkit-transition-property:all; 
/*-webkit-transition-timing-function: cubic-bezier(5,0,5,0);*/ 
-moz-transition-property: all; 
/*-moz-transition-timing-function: cubic-bezier(5,0,5,0);*/ 
/*-webkit-transition-delay:5s; 
-moz-transition-delay:5s;*/ 
} 
li:hover dd{ 
margin-top:0; 
opacity:1; 
} 
li dd:nth-child(1){ 
-webkit-transition-duration: 0.1s; 
-moz-transition-duration: 0.1s; 
} 
li dd:nth-child(2){ 
-webkit-transition-duration: 0.2s; 
-moz-transition-duration: 0.2s; 
} 
li dd:nth-child(3){ 
-webkit-transition-duration: 0.3s; 
-moz-transition-duration: 0.3s; 
} 
li dd:nth-child(4){ 
-webkit-transition-duration: 0.4s; 
-moz-transition-duration: 0.4s; 
} 
dt{ 
display:none; 
margin-top:-25px; 
padding-top:15px; 
height:10px; 
} 
li:hover dt{ 
display:block; 
} 
.Darrow{ 
float:right; 
margin:18px 10px 0 0; 
border-width:5px; 
border-color:#FFF transparent transparent transparent; 
border-style:solid; 
width:0; 
height:0; 
line-height:0; 
overflow:hidden; 
cursor:pointer; 
text-shadow: 0px -1px 0px #000; 
-webkit-box-shadow:0px -1px 0px #000; 
-moz-box-shadow:0px -1px 0px #000; 
} 
.arrow{ 
margin:0 auto; 
margin-top:-5px; 
display:block; 
width:10px; 
height:10px; 
background:#222222; 
-webkit-transform: rotate(45deg); 
-moz-transform: rotate(45deg); 
} 
</style> 
</head> 
<body> 
<nav> 
<ul class="clear"> 
<li class="first"><a href="#">菜单一</a></li> 
<li> 
<span class="Darrow"></span> 
<a href="#">菜单二</a> 
<dl> 
<dt><span class="arrow"></span></dt> 
<dd><a href="#">子菜单一</a></dd> 
<dd><a href="#">子菜单二</a></dd> 
<dd><a href="#">子菜单三子菜单三</a></dd> 
</dl> 
</li> 
<li> 
<span class="Darrow"></span> 
<a href="#">菜单三</a> 
<dl> 
<dt><span class="arrow"></span></dt> 
<dd><a href="#">子菜单一</a></dd> 
<dd><a href="#">子菜单二</a></dd> 
<dd><a href="#">子菜单三子菜单三</a></dd> 
</dl> 
</li> 
<li> 
<span class="Darrow"></span> 
<a href="#">菜单四</a> 
<dl> 
<dt><span class="arrow"></span></dt> 
<dd><a href="#">子菜单一</a></dd> 
<dd><a href="#">子菜单二</a></dd> 
<dd><a href="#">子菜单三</a></dd> 
<dd><a href="#">子菜单四</a></dd> 
</dl> 
</li> 
<li><a href="#">菜单五</a></li> 
<li><a href="#">菜单六</a></li> 
<li><a href="#">菜单七</a></li> 
<li class="last"><a href="#">菜单八</a></li> 
</ul> 
</nav> 
</body> 
</html>
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