css 添加不同样式的超链接

编辑代码
<!DOCTYPE html>
<html>
<head>
<style>
a.one:link {color:#ff0000;}
a.one:visited {color:#0000ff;}
a.one:hover {color:#ffcc00;}

a.two:link {color:#ff0000;}
a.two:visited {color:#0000ff;}
a.two:hover {font-size:150%;}

a.three:link {color:#ff0000;}
a.three:visited {color:#0000ff;}
a.three:hover {background:#66ff66;}

a.four:link {color:#ff0000;}
a.four:visited {color:#0000ff;}
a.four:hover {font-family:monospace;}

a.five:link {color:#ff0000;text-decoration:none;}
a.five:visited {color:#0000ff;text-decoration:none;}
a.five:hover {text-decoration:underline;}
</style>
</head>

<body>
<p>Mouse over the links to see them change layout.</p>

<p><b><a class="one" href="/" target="_blank">This link changes color</a></b></p>
<p><b><a class="two" href="/" target="_blank">This link changes font-size</a></b></p>
<p><b><a class="three" href="/" target="_blank">This link changes background-color</a></b></p>
<p><b><a class="four" href="/" target="_blank">This link changes font-family</a></b></p>
<p><b><a class="five" href="/" target="_blank">This link changes text-decoration</a></b></p>
</body>

</html>