/*  GRID OF TWO  */
.span_2_of_2 { width: 100%;}
.span_1_of_2 {width: 49%;}

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

@media only screen and (max-width: 480px) {
	.col { margin: 1% 0 1% 0%;}
	.span_2_of_2, .span_1_of_2 { width: 100%; }
}