.post {
	display: none;
}

.nav_menu {
	display: block;
}

#main_nav li.menu_header ul {
	display: block;
	z-index: 10;
}

#main_nav a, #main_nav a:visited {
	color: #444;
	text-decoration: none;
	padding: 0.5em;
	margin: -0.5em;
	display: block;
	background-color: #fff;
}

#main_nav a:hover {
	color: #FFF;
	background-color: #000;
	text-decoration: none;
	padding: 0.5em;
	margin: -0.5em;
	display: block;
}