a:hover{font-size: 10pt;
color: #ff0000;
text-decoration: none;}
a:active{font-size: 10pt;
color: #FF9900;
text-decoration: none;}
a:link{font-size: 10pt;
color: #4444ff;
text-decoration: underline;}
color: #ff0000;
text-decoration: none;}
a:active{font-size: 10pt;
color: #FF9900;
text-decoration: none;}
a:link{font-size: 10pt;
color: #4444ff;
text-decoration: underline;}
a:link {color:#FF0000}
a:visited {color:#FF0000}
a:active {color:#FF0000}
a:hover {color:#FF0000}a.green:link {color:#008000}
a.green:visited {color:#008000}
a.green:active {color:#008000}
a.green:hover {color:#008000}a.blue:link {color:#0000FF}
a.blue:visited {color:#0000FF}
a.blue:active {color:#0000FF}
a.blue:hover {color:#0000FF}</style><a href="xx.htm" id="link1">123456</a><input type=button value="普通(红)" onclick="document.getElementById('link1').className=''"><input type=button value="绿" onclick="document.getElementById('link1').className='green'"><input type=button value="蓝" onclick="document.getElementById('link1').className='blue'">