body {
	background-image:url("incmachback.gif");
	background-repeat: repeat;
}

.navbar {
	float: left;
	list-style-type: none;
	margin: 0;
	padding: 0;
	oveflow: hidden;
	background-color: #444;
	width: 100%;
}

.navbar li {
	float: left;
	border-right:1px solid #bbb;
}

.navbar li:last-child {
    border-right: none;
}

.navbar li a {
	display: block;
	color: white;
	text-decoration: none;
	text-align: center;
	padding: 15px;
}

.navbar li a:hover:not(.active) {
	background-color: #111;
}

.active {
	background-color: #aaf;
}

h1 {
	text-align : center;
	clear: both;
}

#download_all_button {
	border: 2px solid black;
	border-radius: 5px;
	width: 150px;
	height: 2.5rem;
	background-color: white;
	position: relative;
	margin: auto;
}

#download_all_button:hover {
	background-color: #aaa;
}

#centered_text {
	position: absolute;
	left: 0;
	top: 25%;
	width: 100%;
	text-align: center;
	vertical-align: center;
}

#gallery {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
}

.item {
	margin: 20px;
	width: 200px;
	text-align: center;
	justify-content: center;
	display: flex;
	border: 2px solid black;
	background-color: white;
	border-radius: 10px;
}

.item:hover {
	background-color: #aaa;
}

.item h4 {
	min-height: 2.5rem;
	margin: 0px;
}