jquery+css实现自适应多级下拉菜效果代码-html代码-BFW代码库

代码语言：html

代码描述：jquery+css实现自适应多级下拉菜效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/modernizr.2.8.3.js"></script>
    <link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/font-awesome-4.7.0/css/font-awesome.min.css">


    <style>
        @import url(https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,600,700,800);
        
        *,html,body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,label,fieldset,input,p,blockquote,th,td {
            margin: 0;
            padding: 0;
        }
        
        article,aside,figure,footer,header,hgroup,nav,section {
            display: block;
        }
        
        * {
            -webkit-box-sizing: border-box;
            -moz-box-sizing: border-box;
            box-sizing: border-box;
        }
        
        html {
            -webkit-font-smoothing: antialiased;
        }
        
        a {
            color: #BA0707;
            text-decoration: none;
        }
        
        a:hover {
            color: #FF675C;
        }
        
        body {
            background: #e5e5e5;
            color: #374147;
            font: 14px "Open Sans",Helvetica,Arial,sans-serif;
            -webkit-font-smoothing: antialiased;
            line-height: 1;
            width: 100%;
        }
        
        nav {
            display: block;
            background: #374147;
        }
        
        .menu {
            display: block;
        }
        
        .menu li {
            display: inline-block;
            position: relative;
            z-index: 100;
        }
        
        .menu li:first-child {
            margin-left: 0;
        }
        
        .menu li a {
            font-weight: 600;
            text-decoration: none;
            padding: 20px 15px;
            display: block;
            color: #fff;
            transition: all 0.2s ease-in-out 0s;
        }
        
        .menu li a:hover,.menu li:hover>a {
            color: #fff;
            background: #FF675C;
        }
        
        .menu ul {
            visibility: hidden;
            opacity: 0;
            margin: 0;
            padding: 0;
            width: 170px;
            position: absolute;
            left: 0px;
            background: #fff;
            z-index: 99;
            transform: translate(0,20px);
            transition: all 0.2s ease-out;
        }
        
        .menu ul:after {
            bottom: 100%;
            left: 20%;
            border: solid transparent;
            content: " ";
            height: 0;
            width: 0;
            position: absolute;
            pointer-events: none;
            border-color: rgba(255, 255, 255, 0);
            border-bottom-color: #fff;
            border-width: 6px;
            margin-left: -6px;
        }
        
        .menu ul li {
            display: block;
            float: none;
            background: none;
            margin: 0;
            padding: 0;
        }
        
        .menu ul li a {
            font-size: 12px;
            font-weight: normal;
            display: block;
            color: #797979;
            background: #fff;
        }
        
        .menu ul li a:hover,.menu ul li:hover>a {
            background: #FF675C;
            color: #fff;
        }
        
        .menu li:hover>ul {
            visibility: visible;
            opacity: 1;
            transform: translate(0,0);
        }
        
        .menu ul ul {
            left: 169px;
            top: 0px;
            visibility: hidden;
            opacity: 0;
            transform: translate(20px,20px);
            transition: all 0.2s ease-out;
        }
        
        .menu ul ul:after {
            left: -6px;
            top: 10%;
            border: solid transparent;
            content: " ";
            height: 0;
            width: 0;
            position: absolute;
            pointer-events: none;
            border-color: rgba(255, 255, 255, 0);
            border-right-color: #fff;
            border-width: 6px;
            margin-top: -6px;
        }
        
        .menu li>ul ul:hover {
            visibility: visible;
            opacity: 1;
            transform: translate(0,0);
        }
        
        .responsive-menu {
            display: none;
            width: 100%;
            padding: 20px 15px;
            background: #374147;
            color: #fff;
            text-transform: uppercase;
            font-weight: 600;
        }
        
        .responsive-menu:hover {
            background: #374147;
            color: #fff;
            text-decoration: none;
        }
        
        a.homer {
            background: #FF675C;
        }
        
        @media (min-width: 768px) and (max-width: 979px) {
            .mainWrap {
                width: 768px;
            }
        
            .menu ul {
                top: 37px;
            }
        
            .menu li a {
                font-size: 12px;
            }
        
            a.homer {
                background: #374147;
            }
        }
        
        @media (max-width: 767px) {
            .mainWrap {
                width: auto;
                padding: 50px 20px;
            }
        
            .menu {
                display: none;
            }
        
            .responsive-menu {
                display: block;
            }
        
            nav {
                margin: 0;
                background: none;
            }
        
            .menu li {
                display: block;
                margin: 0;
            }
        
            .menu li a {
                background: #fff;
                color: #797979;
            }
        
            .menu li a:hover,.menu li:hover>a {
                background: #FF675C;
                color: #fff;
            }
        
            .menu ul {
                visibility: hidden;
                opacity: 0;
                top: 0;
                left: 0;
                width: 100%;
  .........完整代码请登录后点击上方下载按钮下载查看