releaf-core/app/assets/stylesheets/releaf/environment/functions/units.scss
@function steps($number)
{
// grid step used everywhere for widths and heights
// this matches half of the default line-height of the page
@return (12px * $number);
}
@function create-rgba( $color, $opacity )
{
@return rgba( red($color), green($color), blue($color), $opacity );
}