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18.定位元素练习-淘宝网

news 来源：原创 2024/12/26 20:33:45

在这里插入图片描述
注意：
如果一个盒子定位元素属性既有left又有right,则会执行left属性。
既有top又有bottom，会执行top

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        li{
            list-style: none;
        }
        .box{
            width: 570px;
            height: 278px;
            margin: 30px auto;
            position: relative;
        }
        .box img{
            width: 570px;
            height: 278px;
        }
        .box a{

        }
        
        .left,
        .right{
            width: 36px;
            height: 36px;
            background-color: rgba(0,0,0,0.3);
            position: absolute;
            top:50%;
            margin-top: -18px;
            text-decoration: none;
            color: #fff;
            text-align: center;
            line-height: 36px;
            
            
        }
        .left{
            left: 0;
            border-radius: 0 18px 18px 0;
        }
        .right{
            right: 0;
            border-radius: 18px 0  0 18px;
        }
        .nav{
            width: 70px;
            height: 14px;
            position: relative;
            left: 50%;
            bottom: 20px;
            margin-left: -35px;
            background-color: rgba(255,255,255,0.3);
            border-radius: 7px;
        }
        .nav li{
            float: left;
            background-color: #fff;
            width: 8px;
            height: 8px;
            border-radius: 4px;
            margin: 3px;
        }
        .nav li:hover{
            background-color: coral;
        }
    </style>
</head>
<body>
    <div class="box">
        <img src="../html学习/images/taobao.jpg">
        <a class="left" href="#">&lt;</a>
        <a class="right" href="#">&gt;</a>
        <ul class="nav">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</body>
</html>