.nav {
	width: 100%;
	height: 40px;
	background: white;
	border-top: 1px solid #ececec;
	border-left: 1px solid #ececec;
}


.nav_block {
	color: #101010;
	font-size: 13px;
	float: left;
	padding: 9px 0;
	height: 40px;
	width: 20%;
	text-align: center;
}

.nav .on {
	color: #ee344a;
	border-bottom: 4px solid #ed374c;
}