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

	
.span_4_of_4 {
	width: 100%; 
}

.span_3_of_4 {
	width: 74.2%; 
}

.span_2_of_4 {
	width: 48.4%; 
}

.span_1_of_4 {
	width: 22.6%;
}

/*
@media screen and (-webkit-min-device-pixel-ratio:0) and (min-width: 861px) {
.span_1_of_4 {
    width: 21.8% !important;
}
}
*/

/*
.span_2_of_4.subgroup .span_1_of_4:last-child {
    float: right;
}
*/

/* GO TWO-COLUMN AT LESS THAN 860 PIXELS */

@media only screen and (min-width: 421px) and (max-width: 860px) {
    .span_1_of_4 {
	    width: 48.4%;
	    /* margin: 1% 0 1% 1.6%; */
    }

    .span_1_of_4:nth-child(2n+1) {
	    clear: both;
	    margin-left: 0;
    }
}


/*  GO FULL WIDTH AT LESS THAN 420 PIXELS */

@media only screen and (max-width: 420px) {
	.span_4_of_4 {
		width: 100%; 
	}
	.span_3_of_4 {
		width: 100%;
	}
	.span_2_of_4 {
		width: 100%;
	}
	.span_1_of_4 {
		width: 100%; 
	}

/*
    @media only screen and (min-width: 421px) {
    .span_2_of_4.subgroup .span_1_of_4 {
        width: 44.9% !important;
    }
    }
*/
}

/*
@media only screen and (max-width: 420px) {
	.span_2_of_4.subgroup .span_1_of_4 {
		width: 100%;
    }
	.span_2_of_4.subgroup .span_1_of_4:last-child {
        float: left;
	}
}

@media only screen and (min-width: 601px) {
    .span_2_of_4.subgroup:first-child {
        padding-right: 0.8%;
    }
    .span_2_of_4.subgroup:last-child {
        padding-left: 0.8%;
    }
    .span_2_of_4.subgroup .span_1_of_4 {
        width: 44.7%;
    }
}
*/