html {
	
	background-color: #e0e0e0;
	
	
	/*
	background-image: url('bg_main.png');
	*/
}

.top-navigation-bar {
	background-color: #333333;
    display: flex;
    justify-content: center;
	
	position: absolute; /* OPTIONAL: Change this from absolute to fixed to make navbar always visible when scrolling. */
	top: 0;
	left: 0;
	right: 0;
	z-index: 1000;
}

.top-navigation-bar a {
	color: #f2f2f2;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
	font-size: 20px;
	font-weight: bold;
}

.top-navigation-bar a:hover {
	background-color: #e0e0e0;
	color: #333333;
}

.content-and-information {
	background-color: white;
	border-radius: 4px;
	padding: 10px;
	border: 7px solid white;
}