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  • 下拉菜单旋转出现css

    <!DOCTYPE html>
    <html>
    <head lang="en">
        <meta charset="UTF-8">
        <title></title>
        <style>
            @charset "utf-8";
            body{
                margin: 0;
                padding: 0;
                -webkit-text-size-adjust: none;
                /*background-image: url("../img/hat.jpg");*/
                font: 12px "宋体";
            }
    
            a img {
                border: 0
            }
    
            ul, ol, li {
                list-style-type: none;
                vertical-align: 0
            }
    
            a {
                outline-style: none;
                color: #535353;
                text-decoration: none
            }
    
            a:hover {
                color: #D40000;
                text-decoration: none
            }
    
            .clear {
                height: 0;
                overflow: hidden;
                clear: both
            }
            header{
                height: 100px;
            }
            input{
                border: none;
            }
            .button {
                display: inline-block;
                zoom: 1;
                *display: inline;
                vertical-align: baseline;
                margin: 0 2px;
                outline: none;
                cursor: pointer;
                text-align: center;
                text-decoration: none;
                font: 14px/100% Arial, Helvetica, sans-serif;
                padding: 0.25em 0.6em 0.3em;
                text-shadow: 0 1px 1px rgba(0, 0, 0, .3);
                -webkit-border-radius: .5em;
                -moz-border-radius: .5em;
                border-radius: .5em;
                -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
                -moz-box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
                box-shadow: 0 1px 2px rgba(0, 0, 0, .2);
            }
    
            /*restCSS结束,应用特效时,以上样式可删除*/
            /* 需要的css样式 */
            .nav {
                width: 970px;
                margin: 0 auto;
                text-align: center;
            }
    
            .menu, .menu ul {
                list-style: none;
                padding: 0;
                margin: 0;
            }
    
            .menu {
                height: 58px;
                margin-top: 20px;
            }
    
            .menu li {
                background-color: #0C0000;
                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);
                /*background: url("../img/back.jpg");*/
                color: #808080;
                display: block;
                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;
                /*改变加深父元素的背景*/
            }
    
            .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;
                /*实现下拉菜单螺旋淡出*/
            }
    
            .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;
            }
            /*动画递进的时间 实现一个个螺旋子菜单*/
            .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;
            }
    
        </style>
    </head>
    <body>
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        <ul class="menu">
            <li><a href="javascript:;">HOME</a>
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    </html>
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  • 原文地址:https://www.cnblogs.com/zjz666/p/11163881.html
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