#tabs300{ margin:0 0 0 1px; padding:0}
.menu300{height:24px;width:730px; padding:0px 0 0 3px; z-index:1; position:relative;}
.menu300 li{display:block;float:left;height:24px;line-height:24px;width:83px;text-align:center;cursor:pointer; color:#cc0000;background: url(xxka.jpg) no-repeat; margin-left:2px;}
.menu300 li.hover{background: url(xxkaone.jpg) no-repeat; color:#ffffff; width:83px; font-weight:bold;}
#main300 ul{display:none; background:#fff;margin:0; width:730px; float:left; border-top:#cc3366 2px solid; margin-top:0px;}
#main300 ul.block{display:block;background:#fff;}