a.header_sel { background-color:#CCC;}

ul.nav li.sub,
ul.nav li.sub_sel {
margin-left: 2%;
width: 98%;
padding-right: -2%;
}

ul.nav li.sub1,
ul.nav li.sub_sel1 {
margin-left: 4%;
width: 96%;
padding-right: -4%;
}

ul.nav li.sub2,
ul.nav li.sub_sel2 {
margin-left: 6%;
width: 94%;
padding-right: -6%;
}
.nav > li > a {
	position: relative;
	display: block;
	padding: 10px 15px;
text-decoration: none;
}
.nav > li {
width: 100%;
}