.tab a:link{
 color:#00F;
 text-decoration:none;
 font-size:12px;

}
.tab a:visited {
 color: #00F;
 text-decoration:none;
}
.tab a:hover {
 color: #c00;
 text-decoration:underline;
}

ul{
 list-style:none;
 padding:0;
}
.main{
 clear:both;
 padding:0px;
 text-align:center;
}
/*第一种形式*/
#tabs0 {
 height: 207px;
 width: 468px;
 border: 1px solid #8FB9D0;
 background-color: #E8F6FB;
}
.menu0{
 width: 400px;
 float:left;
 padding:0;

}
.menu0 li{
 display:block;
 float: left;
 padding:0;
 width:100px;
 text-align: center;
 cursor:pointer;
 background: #E8F6FB;
 height:28px;
 line-height:28px;
 color:#004391;
 font-weight:bold;
 font-size:14px;
}
.menu0 li.hover{
 background: #FFFFff;
 color:#000;
}
#main0 ul{
 display: none;

}
#main0 ul.block{
 display: block;
 border:0;
 margin:0;
}