public function ColumnClasses() {
		$classes = array();
		foreach($this->columnCounts as $colName => $val) {
			$classes[] = "col-{$colName}-{$val}";
		}

		return implode(" ", $classes);
	}
public function ColumnClasses() {
		$classes = array();
		foreach($this->columnCounts as $colName => $val) {
			$classes[] = "col-{$colName}-{$val}";
		}

		return implode(" ", $classes);
	}
public function ColumnClasses ( ) { $ classes = array ( ) ; foreach ( $ this -> columnCounts as $ colName => $ val ) { $ classes [ ] = "col-{$colName}-{$val}" ; } return implode ( " " , $ classes ) ; }
A list of classes for the column divs

@return  string
A list of classes for the column divs