A:link { text-decoration: none; color: #ffffff; }
A:visited { text-decoration: none; color: #ffffff; }
A:active { text-decoration: none; color: #ffffff; }
A:hover { text-decoration: underline; color: #ffffff; }
.myLink:link{color:#0000A0;}/*这是默认色*/ 
.myLink:visited{color:#0000A0;}/*这是访问过的色*/ 
.myLink:hover{color:#0000A0;}/*这是鼠标经过色*/