/**
 * Shape/Polygon/Trapezoid
 *
 * @author Maxime Thirouin maxime.thirouin@gmail.com @MoOx
 */
@mixin trapezoid($width: 100px, $height: 100px, $background-color: transparent)
{
    border-bottom: $height solid $background-color;
    border-left: $width/2 solid transparent;
    border-right: $width/2 solid transparent;
    height: 0;
    width: $width;
}