#design {
	background-image:url(../images/design_1920.jpg); 
	height:1000px;
}

@media screen and (max-width: 1366px) {
	#design {
		background-image:url(../images/design_1366.jpg); 
		height:700px;
	}	
}
@media screen and (max-width: 1024px) {
	#design {
		background-image:url(../images/design_1024.jpg); 
		height:550px;
	}
}
@media screen and (max-width: 640px) {
	#design {
		background-image:url(../images/design_640.jpg); 
		height:370px;
	}
}