<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>css3三角形画法</title>
<style>
.content{
0px;
height: 0px;
margin: 50px auto 0px;
border- 150px;
border-color: #666 #CC0066 #CC9966 #FFCC33;
border-style: solid;
}
</style>
</head>
<body>
<div class="content"></div>
</body>
</html>