background-image: 
		-webkit-repeating-linear-gradient(left, 
			rgba(0,0,0,0.5) 10%, 
			rgba(0,0,0,0.1) 30%),
		-webkit-repeating-radial-gradient(top left, circle, 
			rgba(0,0,0,0.9), 
			rgba(0,0,0,0.1) 10%, 
			rgba(0,0,0,0.5) 20%);
background-size: 100% 100%;