Media queries

mediaqueries.css

@media screen and (max-width:480px){

	#content {
		width:470px;
	}

}

@media screen and (max-width:320px){

	#content {
		width:310px;
	}

}

@media screen and (min-width:1200px) and (max-width:1800px){
	
	body {
		background-image:url('bigimage.jpg');
	}
}