.nav{height:32px;}
.nav li{float:left;width:90px;list-style:none;text-align:center; position:relative;height:32px; line-height:32px;}
.nav li a{color:#fff;font-weight:bold;display:block;height:32px;line-height:32px;}
.nav li a:hover{color:#FF6633;}
.submenu{position:absolute;left:-30px;top:32px;display:none;background:#0e8e15;border:2px solid #10a717;}
.nav li:hover .submenu{display:block;width:140px;text-align:center;}
.submenu div{border-bottom:1px solid #10a717;height:30px; line-height:30px;}
.submenu div:hover{background:#fff;}
.submenu div:hover a{color:#0e8e15;}
.tables{margin:10px auto;}