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

.span_1_of_4,
.span_2_of_4,
.span_3_of_4,
.span_4_of_4 {
	width: 25%;
	padding-left: 10px;
	padding-right: 10px;
	box-sizing: border-box;
}

/*  GO FULL WIDTH AT LESS THAN 500 PIXELS */

@media only screen and (max-width: 768px) {
	.span_1_of_4,
	.span_2_of_4,
	.span_3_of_4,
	.span_4_of_4 {
		width: 50%;
	}
	.col.span_3_of_4,
	.col.span_4_of_4 {
		margin-top: 12px;
	}
}

@media only screen and (max-width: 640px) {
	.span_1_of_4,
	.span_2_of_4,
	.span_3_of_4,
	.span_4_of_4 {
		width: 100%;
	}
	.span_2_of_4 {
		margin-top: 12px;
	}
}