#main-menu-container {
	background-color: rgba(255,255,255,0.7);
}
@media all and (min-width: 600px) {
	#content-background {
		width: 50%;
	}
	html {
		background: url(../images/background-1531.jpg) no-repeat center center fixed;
		background-color: #aaaaaa;
		-webkit-background-size: cover;
		-moz-background-size: cover;
		-o-background-size: cover;
		background-size: cover;
	}
}