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


.span_4_of_4
	{
	width: 100%;
	}

.span_3_of_4
	{
	width: 75%;
	}

.span_2_of_4
	{
	width: 50%;
	}

.span_1_of_4
	{
	width: 25%;
	}


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

@media only screen and (max-width: 720px)
{
.span_4_of_4
	{
	width: calc(100% - 30px);	padding-left:15px;	padding-right:15px;
	}
.span_3_of_4
	{
	width: calc(100% - 30px);	padding-left:15px;	padding-right:15px;
	}
.span_2_of_4
	{
	width: calc(100% - 30px);	padding-left:15px;	padding-right:15px;
	}
.span_1_of_4
	{
	width: calc(100% - 30px);	padding-left:15px;	padding-right:15px;
	}
}