css3 打勾 打叉

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<style>
        a.gou{ display: inline-block; width: 20px;height:5px; background: red;line-height: 0;font-size:0;vertical-align: middle;-webkit-transform: rotate(45deg);}
  a.gou:after{content:'/';display:block;width: 20px;height:5px; background: red;-webkit-transform: rotate(-90deg);}

  a.cha{ display: inline-block; width: 10px;height:5px; background: red;line-height: 0;font-size:0;vertical-align: middle;-webkit-transform: rotate(45deg);}
      a.cha:after{content:'/';display:block;width: 20px;height:5px; background: red;-webkit-transform: rotate(-90deg) translateY(-50%) translateX(50%);}

</style>

<body>
<a class="gou"></a>
<a class="cha"></a>
</body>
</html>