<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>CSS3 3D旋转下拉菜单DEMO演示</title>

<link href="css/css.css" rel="stylesheet" type="text/css" />

</head>

<body>

<div class="container">

    <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="#">返回教程</a></li>

    </ul>

</div>

</body>

</html>

CSS

* {

    margin:;

    padding:;

}

html { background-color: #CCC; }

.container {

    margin: 30px auto;

    width: 90%;

}

.menu, .menu ul {

    list-style: none;

    padding:;

    margin:;

}

.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:;

    max-height:;

    position: absolute;

    top: 100%;

    z-index:;

    -webkit-perspective: 400px;

    -moz-perspective: 400px;

    -ms-perspective: 400px;

    -o-perspective: 400px;

    perspective: 400px;

}

.submenu li {

    opacity:;

    -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:;

    color: #ffffff;

}

.menu > li:hover .submenu, .menu > li:focus .submenu {

    max-height: 2000px;

    z-index:;

}

.menu > li:hover .submenu li, .menu > li:focus .submenu li {

    opacity:;

    -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;

}

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