* {
	font-family: 'Helvetica';
}

ul {
	list-style-type: none;
	margin: -8px;
	padding: 0 8px;
	overflow: hidden;
	background-color: #333;
}

li {
	float: left;
}

h1 {
	text-align: center;
}

li a {
	display: block;
	color: white;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
}

li a:hover {
	background-color: #111;
}

li a, .dropbtn {
	display: inline-block;
	color: lightgray;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
}

li a:hover, .dropdown:hover .dropbtn {
	background-color: teal;
	transition: background-color .3s;
}

li.dropdown {
	display: inline-block;
}

.dropdown-content {
	display: none;
	position: absolute;
	background-color: #f9f9f9;
	transition: background-color .3s;
	min-width: 160px;
	box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
	z-index: 1;
}

.dropdown-content a {
	color: black;
	padding: 12px 16px;
	text-decoration: none;
	display: block;
	text-align: left;
}

.dropdown-content a:hover {background-color: #f1f1f1}

.dropdown:hover .dropdown-content {
	display: block;
}

h1 {
	background-color: white;
	margin: -8px -8px;
	margin-bottom: 8px;
	padding: 20px 5px;
}

body {
	background-image: url("./images/blocks.jpg");
	background-repeat: no-repeat;
	background-position: left top;
	background-attachment: fixed;
	background-size: cover;
}

.active {
	background-color: teal;
}