1-1411260916330-L

纯css3实现螺旋状动态旋转导航下拉菜单

• CSS3 • 0 条评论 •2,361 views

描述：

css3实现的导航菜单代码

不需要额外的js实现的动态效果

占用客户端内存极低

当鼠标悬停在一级导航上，二级导航呈现螺旋状效果下拉展示

css:

.menu, .menu ul {
	list-style: none;
	padding: 0;
	margin: 0;
}
.menu {
	height: 58px;
}
.menu li {
	background: -moz-linear-gradient(#292929, #252525);
	background: -ms-linear-gradient(#292929, #252525);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #292929), color-stop(100%, #252525));
	background: -webkit-linear-gradient(#292929, #252525);
	background: -o-linear-gradient(#292929, #252525);
 filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#292929', endColorstr='#252525');
	-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#292929', endColorstr='#252525')";
	background: linear-gradient(#292929, #252525);
	border-bottom: 2px solid #181818;
	border-top: 2px solid #303030;
	min-width: 160px;
}
.menu > li {
	display: block;
	float: left;
	position: relative;
}
.menu > li:first-child {
	border-radius: 5px 0 0;
}
.menu a {
	border-left: 3px solid rgba(0, 0, 0, 0);
	color: #808080;
	display: block;
	font-family: 'Lucida Console';
	font-size: 18px;
	line-height: 54px;
	padding: 0 25px;
	text-decoration: none;
	text-transform: uppercase;
}
.menu li:hover {
	background-color: #1c1c1c;
	background: -moz-linear-gradient(#1c1c1c, #1b1b1b);
	background: -ms-linear-gradient(#1c1c1c, #1b1b1b);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #1c1c1c), color-stop(100%, #1b1b1b));
	background: -webkit-linear-gradient(#1c1c1c, #1b1b1b);
	background: -o-linear-gradient(#1c1c1c, #1b1b1b);
 filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#1c1c1c', endColorstr='#1b1b1b');
	-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#1c1c1c', endColorstr='#1b1b1b')";
	background: linear-gradient(#1c1c1c, #1b1b1b);
	border-bottom: 2px solid #222222;
	border-top: 2px solid #1B1B1B;
}
.menu li:hover > a {
	border-radius: 5px 0 0 0;
	border-left: 3px solid #C4302B;
	color: #C4302B;
}
.submenu {
	left: 0;
	max-height: 0;
	position: absolute;
	top: 100%;
	z-index: 0;
	-webkit-perspective: 400px;
	-moz-perspective: 400px;
	-ms-perspective: 400px;
	-o-perspective: 400px;
	perspective: 400px;
}
.submenu li {
	opacity: 0;
	-webkit-transform: rotateY(90deg);
	-moz-transform: rotateY(90deg);
	-ms-transform: rotateY(90deg);
	-o-transform: rotateY(90deg);
	transform: rotateY(90deg);
 -webkit-transition: opacity .4s, -webkit-transform .5s;
 -moz-transition: opacity .4s, -moz-transform .5s;
 -ms-transition: opacity .4s, -ms-transform .5s;
 -o-transition: opacity .4s, -o-transform .5s;
 transition: opacity .4s, transform .5s;
}
.menu .submenu li:hover a {
	border-left: 3px solid #454545;
	border-radius: 0;
	color: #ffffff;
}
.menu > li:hover .submenu, .menu > li:focus .submenu {
	max-height: 2000px;
	z-index: 10;
}
.menu > li:hover .submenu li, .menu > li:focus .submenu li {
	opacity: 1;
	-webkit-transform: none;
	-moz-transform: none;
	-ms-transform: none;
	-o-transform: none;
	transform: none;
}
 .menu li:hover .submenu li:nth-child(1) {
 -webkit-transition-delay: 0s;
 -moz-transition-delay: 0s;
 -ms-transition-delay: 0s;
 -o-transition-delay: 0s;
 transition-delay: 0s;
}
.menu li:hover .submenu li:nth-child(2) {
 -webkit-transition-delay: 50ms;
 -moz-transition-delay: 50ms;
 -ms-transition-delay: 50ms;
 -o-transition-delay: 50ms;
 transition-delay: 50ms;
}
.menu li:hover .submenu li:nth-child(3) {
 -webkit-transition-delay: 100ms;
 -moz-transition-delay: 100ms;
 -ms-transition-delay: 100ms;
 -o-transition-delay: 100ms;
 transition-delay: 100ms;
}
.menu li:hover .submenu li:nth-child(4) {
 -webkit-transition-delay: 150ms;
 -moz-transition-delay: 150ms;
 -ms-transition-delay: 150ms;
 -o-transition-delay: 150ms;
 transition-delay: 150ms;
}
.menu li:hover .submenu li:nth-child(5) {
 -webkit-transition-delay: 200ms;
 -moz-transition-delay: 200ms;
 -ms-transition-delay: 200ms;
 -o-transition-delay: 200ms;
 transition-delay: 200ms;
}
.menu li:hover .submenu li:nth-child(6) {
 -webkit-transition-delay: 250ms;
 -moz-transition-delay: 250ms;
 -ms-transition-delay: 250ms;
 -o-transition-delay: 250ms;
 transition-delay: 250ms;
}
.menu li:hover .submenu li:nth-child(7) {
 -webkit-transition-delay: 300ms;
 -moz-transition-delay: 300ms;
 -ms-transition-delay: 300ms;
 -o-transition-delay: 300ms;
 transition-delay: 300ms;
}
.menu li:hover .submenu li:nth-child(8) {
 -webkit-transition-delay: 350ms;
 -moz-transition-delay: 350ms;
 -ms-transition-delay: 350ms;
 -o-transition-delay: 350ms;
 transition-delay: 350ms;
}
 .submenu li:nth-child(1) {
 -webkit-transition-delay: 350ms;
 -moz-transition-delay: 350ms;
 -ms-transition-delay: 350ms;
 -o-transition-delay: 350ms;
 transition-delay: 350ms;
}
.submenu li:nth-child(2) {
 -webkit-transition-delay: 300ms;
 -moz-transition-delay: 300ms;
 -ms-transition-delay: 300ms;
 -o-transition-delay: 300ms;
 transition-delay: 300ms;
}
.submenu li:nth-child(3) {
 -webkit-transition-delay: 250ms;
 -moz-transition-delay: 250ms;
 -ms-transition-delay: 250ms;
 -o-transition-delay: 250ms;
 transition-delay: 250ms;
}
.submenu li:nth-child(4) {
 -webkit-transition-delay: 200ms;
 -moz-transition-delay: 200ms;
 -ms-transition-delay: 200ms;
 -o-transition-delay: 200ms;
 transition-delay: 200ms;
}
.submenu li:nth-child(5) {
 -webkit-transition-delay: 150ms;
 -moz-transition-delay: 150ms;
 -ms-transition-delay: 150ms;
 -o-transition-delay: 150ms;
 transition-delay: 150ms;
}
.submenu li:nth-child(6) {
 -webkit-transition-delay: 100ms;
 -moz-transition-delay: 100ms;
 -ms-transition-delay: 100ms;
 -o-transition-delay: 100ms;
 transition-delay: 100ms;
}
.submenu li:nth-child(7) {
 -webkit-transition-delay: 50ms;
 -moz-transition-delay: 50ms;
 -ms-transition-delay: 50ms;
 -o-transition-delay: 50ms;
 transition-delay: 50ms;
}
.submenu li:nth-child(8) {
 -webkit-transition-delay: 0s;
 -moz-transition-delay: 0s;
 -ms-transition-delay: 0s;
 -o-transition-delay: 0s;
 transition-delay: 0s;
}

html

<div class="xjjsz">
<ul class="menu">
<li><a href="#">主页</a></li>
<li><a href="#">菜单一</a>
<ul class="submenu">
<li><a href="#">子菜单A</a></li>
<li><a href="#">子菜单B</a></li>
<li><a href="#">子菜单C</a></li>
<li><a href="#">子菜单D</a></li>
<li><a href="#">子菜单E</a></li>
<li><a href="#">子菜单F</a></li>
<li><a href="#">子菜单G</a></li>
<li><a href="#">子菜单H</a></li>
</ul>
</li>
<li class="active"><a href="#s2">菜单二</a>
<ul class="submenu">
<li><a href="#">子菜单A</a></li>
<li><a href="#">子菜单B</a></li>
<li><a href="#">子菜单C</a></li>
<li><a href="#">子菜单D</a></li>
<li><a href="#">子菜单E</a></li>
<li><a href="#">子菜单F</a></li>
<li><a href="#">子菜单G</a></li>
<li><a href="#">子菜单H</a></li>
</ul>
</li>
<li><a href="#">菜单三</a>
<ul class="submenu">
<li><a href="#">子菜单A</a></li>
<li><a href="#">子菜单B</a></li>
<li><a href="#">子菜单C</a></li>
<li><a href="#">子菜单D</a></li>
<li><a href="#">子菜单E</a></li>
<li><a href="#">子菜单F</a></li>
<li><a href="#">子菜单G</a></li>
<li><a href="#">子菜单H</a></li>
</ul>
</li>
<li><a href="#">菜单四</a></li>
<li><a href="http://www.xjjsz.com/">菜单五</a></li>
</ul>
</div>

效果如下：

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