115S站长学院 TIY
编辑您的代码：
<html> <head> <style type="text/css"> a:link, a:visited { border-style: solid; border-width: 5px; border-color: transparent; } a:hover {border-color: gray;} </style> </head> <body> <a href="#">AAA</a> <a href="#">BBB</a> <a href="#">CCC</a> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?72e1eb95f3722bd737488ab37f422304"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> </body> </html>
查看结果: