<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>利用 CSS + <em>标签 来完成一个三角形的制作</title> <style type="text/css"> <!-- #menu {width:500px;padding:0;margin:40px auto;list-style-type:none;display:table;} #menu li {width:100px; float:left; line-height:30px} #menu a {position:relative;display:block; text-decoration:none; background:#cccccc;width:100px; } #menu a span {display:block; font-weight:bold;color:#000; border-style:solid;border-width:0px 2px 2px 0px; border-color:#fff #fff #06a #fff;text-align:center; }#menu a em {display:none;} #menu a:hover {background:#FF0000;}#menu a:hover span {color:#fff; } #menu a:hover em {display:block; overflow:hidden; border:6px solid #06a; border-color:#06a #fff; border-width:6px 6px 0 6px; position:absolute; left:50%; top:100%;margin-left:-6px;} --> </style> </head> <body> <span>M One</span><em></em> <span>M Two</span><em></em> <span>M Three</span><em></em> <span>M Four</span><em></em> </body> </html>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
