div,ul,li{
margin:0 auto;padding:0;
}
ul{
list-style:none;
}
.main{
clear:both;
text-align:center;
}
/*第二种形式*/
#tabs1{
text-align:left;
width:683px;
}
.menu1box{background: url(../imgs/jianjie_07.gif) no-repeat left center;
position:relative;
overflow:hidden;
height:22px;
width:683px;
text-align:left;
}
#menu1{
position:absolute;
top:0;
left:0;
z-index:1;
}
#menu1 li{
float:left;
display:block;
cursor:pointer;
width:102px;
text-align:center;
line-height:21px;
height:21px;
}
#menu1 li.hover{
background:#BABCBE;
border-left:1px solid #E0E1E2;
border-top:1px solid #E0E1E2;
border-right:1px solid #E0E1E2;
}
.main1box{
clear:both;
margin-top:-1px;
border:1px solid #E0E1E2;
height:auto;
width:683px;
}
#main1 ul{
display: none;
}
#main1 ul.block{
display: block;
}
#main1 li{width:33%; float:left; list-style-type :none;margin-top: 5px; margin-left:2px;text-align:center;}
#main1 li a{ text-decoration:none;}