/**
 * Set how to render the image
 * @param 		{String} 		[$mode=auto] 		The mode to use to render the image
 *
 * @example 	scss
 * img {
 * 	\@include s-image-rendering(crips-edges);
 * }
 *
 * @author 		Olivier Bossel <olivier.bossel@gmail.com> (https://olivierbossel.com)
 */
@mixin s-image-rendering($mode: auto) {
  @if ($mode == crisp-edges) {
    -ms-interpolation-mode: nearest-neighbor; // IE8+
    image-rendering: -moz-crisp-edges;
    image-rendering: -o-crisp-edges;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  } @else {
    image-rendering: $mode;
  }
}