1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
6 <title>Document</title>
7 <style type="text/css">
8 *{margin: 0;padding: 0;}
9 div{width: 33.3%;float: left;background: red;font-size: 0;border-radius: 100%;position: relative}
10 div::before{content: "";padding-top: 100%;display: block;}
11 div span{color: #FFf;font-size: 14px;width: 100%;display: inline-block;text-align: center;top: 50%;position: absolute;height: 30px;line-height: 30px;margin-top: -15px;}
12 </style>
13 </head>
14 <body>
15 <div><span>哈哈</span></div>
16 <div><span>哈哈</span></div>
17 <div><span>哈哈</span></div>
18 </body>
19 </html>