img.bg {
		/* Set rules to fill background */
		min-height: 100%;
		min-width: 1024px;
		
		/* Set up proportionate scaling */
		width: 100%;
		height: auto;
		
		/* Set up positioning */
		position: fixed;
		top: 0;
		left: 0;
	}
	
	@media screen and (max-width: 1024px){
		img.bg {
			left: 50%;
			margin-left: -512px; }
	}