body *{
	box-sizing: border-box;
}
header{
	padding: 10px;
	background-color: #eee;
}
header div{
	display: inline-block;
	width: 19%;
	text-align: center;
	padding: 5px;
}
header nav{
	display: inline-block;
	width: 78%;
	margin-top: 5px;
}
nav ul{
	list-style: none;
	padding: 0;
	margin: 0;
}
nav ul li{
	display: inline-block;
	float: left;
}
nav ul li a{
	display: block;
	width: 100%;
	padding: 5px 10px;
	background-color: #ddd;
}
nav ul li a:hover{
	background-color: #eee;
}
nav ul li.active > a{
	background-color: #000 !important;
	color: white !important;
}