.section {
	clear: both;
	padding: 0px;
	margin: 0px; 
    margin-bottom: 15px;
}
/* http://www.responsivegridsystem.com/calculator/*/

/*  COLUMN SETUP  */
.col {
	display: block;
	float:left;
	margin-left: 1.25%;    
    
    box-sizing: border-box;             
}
.col:first-child { margin-left: 0; }

/*  GROUPING  */
.group:before,
.group:after { content:""; display:table; }
.group:after { clear:both;}
.group { zoom:1; /* For IE 6/7 */ }

/*  GRID OF FOUR  */
.span_4_of_4 {
	width: 100%;
}
.span_3_of_4 {
	width: 74.68%;
}
.span_2_of_4 {
	width: 49.37%;
}
.span_1_of_4 {
	width: 24.06%;
}
/*  GRID OF THREE  */
/*.span_1_of_3{
    margin-left: 3.36%;
} */               
.span_3_of_3 { width: 100%; }
.span_2_of_3 { width: 66.25%; }
.span_1_of_3 { width: 32.5%; }


/*  GRID OF TWO  */
/*
.span_1_of_2 {
    margin-left: 3.36%;
}
*/
.span_2_of_2 {
	width: 100%;
}
.span_1_of_2 {
	width: 49.37%;
}