main.css

body {
	width: 100%;
	height: 100%;
	position: relative;
	margin: 0px;
}
#Topbar {
	position: relative;
	width: calc(100% - 4px);
	height: 40px;
	margin-left: 2px;
	margin-top: 2px;
	background-color: black;
}

#Topbar #TonejsLogo {
	margin-top: 5px;
}

#Content {
	width: 80%;
	margin-left: auto;
	margin-right: auto;
	max-width: 1000px;
	min-width: 300px;
	margin-top: 20px;
	font-family: "Roboto Mono",monospace;
}

#demos {
	width: 100%;
	margin-bottom: 10px;
	clear: both;
	position: relative;
	display:block;
	overflow:auto;
}

#demos a {
	width: 20%;
	float: left;
	position: relative;
	display: inline-block;
}

#demos a:hover {
	opacity: 0.5;
}

@media (max-width: 500px) {
	#demos a {
		width: 50%;
	}
}

@media (min-width: 501px) and (max-width: 800px) {
	#demos a {
		width: 25%;
	}
}

#demos a img {
	width: 100%;
	height: auto;
}