index.css

/*----------Layot----------*/

body{
	background: #E3CAA1;
}

.nav-with-drapdown *{
	font-size: 1.5rem;
}

.nav-with-drapdown{
	margin: 20px;
	font-size: 0;
}

.nav-with-drapdown>li{
	display: inline-block;
	background: #FFF;
}

.nav-with-drapdown>li>a{
	display: block;
	padding: 20px;
}

/*----------Module----------*/

.subnav{
	position: absolute;
	background: #555555;
	display: none;
}

.subnav>li>a{
	display: block;
	padding: 20px;
	color: white;
}

/*----------State----------*/

.nav-with-drapdown>li:hover a{ 
	color: white;
	background: #555555;
}

.item-with-subnav:hover .subnav{
	display: block;
}

.subnav li:hover a{
	background-color: #777777;
	cursor: pointer;
}