.row {
	width: auto;
	margin: 0 -10px;
}
.row .rowclear {clear: both}

.column {
	float: left;
}
.column .content {
    margin: 0 10px;
}

.column.col1 {width: 8.3333%; width:calc(100% / 12);}
.column.col2 {width: 16.6666%; width:calc(100% / 6);}
.column.col3 {width: 25%;}
.column.col4 {width: 33.3333%; width:calc(100% / 3);}
.column.col5 {width: 41.6666%; width:calc(100% / 12 * 5);}
.column.col6 {width: 50%;}
.column.col7 {width: 58.3333%; width:calc(100% / 12 * 7);}
.column.col8 {width: 66.6666%; width:calc(100% / 3 * 2);}
.column.col9 {width: 75%;}
.column.col10 {width: 83.3333%; width: calc(100% / 12 * 10);}
.column.col11 {width: 91.6666; width:calc(1/12 * 11);}
.column.col12 {width: 100%;}