css代码:
.cor1{
border-20px;
border-color:#f3961c transparent transparent transparent;
_border-color:#f3961c red red red;
_filter:chroma(color=red);
left:60px;
bottom:-40px;
}
Chroma属性可以设置一个对象中指定的颜色为透明色,它的表达式如下:
Filter:Chroma(color=color)
示例:将图片中的绿色字变为透明<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
div{position:absolute;top:70;200;filter:chroma(color=green)}
</style>
</head>
<body>
<div>
<p align="center"><img src="http://img.jcwcn.com/attachment/portal/oldjcwimg/2005-11/15/0511151254462463.gif"></p>
</div>
</body>
</html>