style
.test{position:relative;color:#0000cc;text-decoration:none;font-size:12px;}
.test:hover{background:none;}
.test span {display: none;}
.test:hover span{display:block;position:absolute;top:20px;left:8px;border-bottom:2px solid #eee;border-right:2px solid #eee;}
.test:hover span p{border:1px solid #ccc;background:#fff;color:#000;padding:5px;text-align:left;font-size:12px;}
/style
a href="#"链接一spanp动态网站制作指南_www.knowsky.com/p/span/a
a href="#"链接二spanp动态网站制作指南_www.knowsky.com/p/span/a
a href="#"链接三spanp动态网站制作指南_www.knowsky.com/p/span/a
保存为htm浏览
