/*  GRID OF FOUR   ============================================================================= */

	
.span_4_of_4 {
	width: 100%; 
}

.span_3_of_4 {
	width: 74.6%; 
}

.span_2_of_4 {
	width: 49.2%; 
}

.span_1_of_4 {
	width: 23.8%; 
}


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

@media only screen and (min-width: 300px) and (max-width: 680px) {
	.span_4_of_4 {
		width: 100%; 
	}
	.span_3_of_4 {
		width: 100%; 
	}
	.span_2_of_4 {
		width: 100%; 
	}
	.span_1_of_4 {
		width: 100%;
	}
	.cont-images .span_1_of_4 {
		width: 48%;
		margin: 0 1% 0 1% !important;
	}
}