/*  GRID OF THREE   ============================================================================= */

	
.span_3_of_3 {
	width: 100%; 
}

.span_2_of_3 {
	width: 66.26%; 
}

.span_1_of_3 {
	width: 32.13%; 
}
.whiteback {/* contents irrelevent*/
}
.whiteback > .span_1_of_3 {
	background-color: white;
}
}


/*  GO FULL WIDTH AT LESS THAN 480 PIXELS */

@media only screen and (max-width: 480px) {
	.span_3_of_3 {
		width: 100%; 
	}
	.span_2_of_3 {
		width: 100%; 
	}
	.span_1_of_3 {
		width: 100%;
	}
}