超链接不变色（css样式）

<style type="text/css">
  A:hover {color:black;}


A:link {text-decoration: none; color: black；}
A:visited {text-decoration: none; color: black；}
A:active {text-decoration: none；color: black；}
A:hover {text-decoration: underline; color: black；}


a:link {text-decoration:none;color:black;}
a:visited {text-decoration:none;color:black;}

  </style>