css3画三角形

以下是用css3画3角形，效果如下图

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<style>
    span{ display:inline-block; margin-right:10px}    
    .triangle_top{height:0;width:0; border:10px solid;  border-color:transparent  transparent red transparent;}
    .triangle_left{height:0;width:0; border:10px solid;  border-color:transparent  red transparent transparent;}
    .triangle_right{height:0;width:0; border:10px solid; border-color:transparent transparent transparent  red;}
    .triangle_bottom{height:0;width:0; border:10px solid;  border-color:red transparent transparent transparent;}
</style>
</head>

<body>
<span class="triangle_top"></span>
<span class="triangle_left"></span>
<span class="triangle_right"></span>
<span class="triangle_bottom"></span>
</body>
</html>

 

posted @ 2015-09-15 11:13  骨子里的傲气  阅读(237)  评论(0)  编辑  收藏  举报