<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style> a:link { color: blue; } a:visited { color: green; } a:hover { color: red; } a:active { color: black; } </style> </head> <body> <a href="http://www.baidu.com" target="_blank">这是一个链接</a> </body> </html>
