<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>網站制作三角形邊框CSS代碼</title>
<style>
.b1{
border-top: solid 100px #ddd;
border-right: solid 50px #fff;
position:relative;
padding-left:200px;
margin-top:100px;
float:left;
margin-left:30px;
}
.b1 div{
position:absolute;
width:200px;
height:200px;
border:1px solid #aaa;
top:-202px;
left:-2px;
background:#efefef;
text-align:center;
line-height:200px;
}
</style>
</head>
<body>
<div class="b1"><div>CSS投影盒子wangqi.com</div></div>
<div class="b1 s1"><div>CSS投影盒子wangqi.com</div></div>
<div class="b1 s2"><div>CSS投影盒子wangqi.com</div></div>
</body>
</html>