_opacity.scss

/**
 * Opacity
 *
 * @param  {number} $val - 0-1 value for opacity
 * @param  {boolean} $oldie: - Support old IE
 *
 * @output Opacity values
 */
@mixin opacity ( $val, $oldie: true ) {
	opacity:$val;
	@if $oldie {
		$val-ie: $val * 100;
		filter:alpha(opacity=$val-ie);
	}
}