Css三角形
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>css三角形</title>
<style>
.tipArrow {
/*右边有颜色，其他透明*/
border-color: transparent #e00 transparent transparent;
border-style: solid;
border-width: 6px 6px 6px 0px;
padding: 0;
width: 0;
height: 0;
/* ie6 height fix */
font-size: 0;
line-height: 0;
/* ie6 transparent fix */
_border-top-color: #dddddd;
_border-bottom-color: #dddddd;
_filter: chroma( color = #dddddd);
}
</style>
</head>
<body>
<div class="tipArrow"/>
</div>
</body>
</html>
