.menu1box{
 position:relative;
 overflow:hidden;
 height:280px;
 width:330px;
 text-align:left;
}
#menu1{
 position:absolute;
 top:0;
 left:0;
 z-index:1;
}
#menu1 li{
 float:left;
 display:block;
 cursor:pointer;
 width:15px;
 text-align:left;
 line-height:15px;
 height:15px;
}
#menu1 li.hover{
 background:#fff;
 border-left:1px solid #333;
 border-top:1px solid #333;
 border-right:1px solid #333;
 border-bottom:1px solid #333;
}

#main1 ul{
 display: none;
}
#main1 ul.block{
 display: block;
}