代码：
1 <!DOCTYPE html>
2 <html lang="en">
3
4 <head>
5 <meta charset="UTF-8">
6 <meta http-equiv="X-UA-Compatible" content="IE=edge">
7 <meta name="viewport" content="width=device-width, initial-scale=1.0">
8 <title>虚线</title>
9 <style>
10 .line {
11 background: -webkit-linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
12 background: -moz-linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
13 background: -o-linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
14 background: -ms-linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
15 background: linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
16 background-size: 20px 2px;
17 background-repeat: repeat-x;
18 padding: 10px;
19 }
20 </style>
21 </head>
22
23 <body>
24 <div class="box line"> </div>
25 </body>
26
27 </html>
标签：D0D7E6,gradient,50%,虚线,background,0%,transparent,css From： https://www.cnblogs.com/j-a-h/p/17747041.html