<!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>虚线</title>
<style>
.line {
background: -webkit-linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
background: -moz-linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
background: -o-linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
background: -ms-linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
background: linear-gradient(to left, transparent 0%, transparent 50%, #D0D7E6 50%, #D0D7E6 100%);
background-size: 20px 2px;
background-repeat: repeat-x;
padding: 10px;
}
</style>
</head>
<body>
<div class="box line"> </div>
</body>
</html>
