纯ccs创建的三级菜单

2019-09-22 网页编程网 网页编程网

<DOCTYPE html>
<html>
<head>
    <title>三级下拉菜单</title>
    <meta charset="utf-8">
    <style type="text/css">
        body,*{
            margin: 0px;
            padding: 0px;
            font-size: 0px;
            color: #555;
            box-sizing:border-box;
        }
        ul{
            list-style: none;
        }
        .banner{
            width: 100%;
            height: 100px;
        }
        .nav{
            width: 100%;
            height: 60px;
            border: 0px;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
            background-color: #fff;
        }
        .nav>ul{
            width: 80%;
            margin:0 auto;
        }
        .nav>ul:after{
            display: block;
            content: '';
            clear: both;
        }
        .nav>ul>li{
            display: block;
            width: 140px;
            height: 100%;
            padding-left: 20px;
            float: left;
            text-align: center;
            /*background: url(img/bg.gif) no-repeat;*/
            background-position: 21px 22px;
        }
        .nav>ul>li:hover{
            background-color: #fff5f5;
        }
        .nav>ul>li a{
            display: inline-block;
            width: 100%;
            height: 100%;
            padding: 10px 20px;
            font-size: 18px;
            line-height: 40px;
            text-decoration:none;
        }
        .nav>ul>li ul{
            display: none;
        }
        .nav>ul>li:hover>a+ul{/*鼠标划过一级菜单的时候二级菜单显示*/
            display: block;
        }
        .nav>ul>li>ul{
            width: 160px;
            height: auto;
            border: 1px solid #eee;
            border-radius:3px;
            position: relative;
            top: 0px;
            left: -20px;
        }
        .nav>ul>li>ul>li,.nav>ul>li>ul>li>ul>li{
            display: block;
            width: 100%;
            height: 60px;
            text-align: center;
            border-bottom: 1px solid #eee;
        }
        .nav>ul>li>ul>li:last-child,.nav>ul>li>ul>li>ul>li:last-child{
            border: 0px;
        }
        .nav>ul>li>ul>li:hover,.nav>ul>li>ul>li>ul>li:hover{/*与用户的交互不能少*/
            background: #fff9f9;
        }
        .nav>ul>li>ul>li:hover ul{/*鼠标划过二级菜单的时候对应的三级菜单显示*/
            display: block;
        }
        .nav>ul>li>ul>li>ul{
            width: 160px;
            height: auto;
            border: 1px solid #eee;
            border-radius:3px;
            position: relative;
            top: -60px;
            left: 100%;
        }
    </style>
</head>
<body>
<div class="banner"></div>
<div class="nav">
    <ul>
        <li>
            <a href="#">电器</a>
            <ul>
                <li>
                    <a href="#">家用电器</a>
                    <ul>
                        <li><a href="#a" target="_self">生活电器</a></li>
                        <li><a href="#a" target="_self">生活电器</a></li>
                        <li><a href="#a" target="_self">个人护理</a></li>
                    </ul>
                </li>
                <li>
                    <a href="#">数码</a>
                    <ul>
                        <li><a href="#a" target="_self">平板电脑</a></li>
                        <li><a href="#a" target="_self">数码相机</a></li>
                        <li><a href="#a" target="_self">电玩动漫</a></li>
                    </ul>
                </li>
                <li>
                    <a href="#">手机</a>
                </li>
            </ul>
        </li>
        <li>
            <a href="#">服饰</a>
            <ul>
                <li>
                    <a href="#">男装</a>
                    <ul>
                        <li><a href="#a" target="_self">商务男装</a></li>
                        <li><a href="#a" target="_self">休闲运动</a></li>
                    </ul>
                </li>
                <li>
                    <a href="#">女装</a>
                    <ul>
                        <li><a href="#a" target="_self">新品</a></li>
                        <li><a href="#a" target="_self">明星网红</a></li>
                        <li><a href="#a" target="_self">时尚穿搭</a></li>
                    </ul>
                </li>
                <li>
                    <a href="#">童装</a>
                    <ul>
                        <li><a href="#a" target="_self">演出服</a></li>
                        <li><a href="#a" target="_self">运动装</a></li>
                        <li><a href="#a" target="_self">连衣裙</a></li>
                    </ul>
                </li>
            </ul>
        </li>
        <li>
            <a href="#">食品</a>
            <ul>
                <li>
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                    <ul>
                        <li><a href="#a" target="_self">干果</a></li>
                        <li><a href="#a" target="_self">辣条</a></li>
                        <li><a href="#a" target="_self">薯片</a></li>
                    </ul>
                </li>
            </ul>
        </li>
    </ul>
</div>
</body>
</html>

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