<title>变亮效果的CSS按钮</title> <style type="text/css"> .aaa { height: 22px; width: 72px; background-image: url(http://www.codefans.net/jscss/demoimg/201105/chakan_btn_bg.gif); font-size: 12px; line-height: 22px; text-align: center; display: block; text-decoration: none; background-repeat: no-repeat; background-position: 0px 0px; } .aaa a:link { height: 22px; width: 72px; background-image: url(http://www.codefans.net/jscss/demoimg/201105/chakan_btn_bg.gif); font-size: 12px; line-height: 22px; text-align: center; display: block; text-decoration: none; background-repeat: no-repeat; background-position: 0px 0px; } .aaa a:hover { height: 22px; width: 72px; font-size: 12px; line-height: 22px; text-align: center; background-image: url(http://www.codefans.net/jscss/demoimg/201105/chakan_btn_bg.gif); background-position: 0px -22px; display: block; background-repeat: no-repeat; } </style>