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<!DOCTYPE html> <html> <head> <style> a.ex1:hover,a.ex1:active {color:red;} a.ex2:hover,a.ex2:active {font-size:150%;} a.ex3:hover,a.ex3:active {background:red;} a.ex4:hover,a.ex4:active {font-family:'微软雅黑';} a.ex5:visited,a.ex5:link {text-decoration:none;} a.ex5:hover,a.ex5:active {text-decoration:underline;} </style> </head> <body> <p>请把鼠标指针移动到这些链接上。</p> <p><a class="ex1" href="/index.html">这个链接改变颜色。</a></p> <p><a class="ex2" href="/index.html">这个链接改变字体大小。</a></p> <p><a class="ex3" href="/index.html">这个链接改变背景色。</a></p> <p><a class="ex4" href="/index.html">这个链接改变字体。</a></p> <p><a class="ex5" href="/index.html">这个链接会出现下划线。</a></p> </body> </html>