Absolute positioning mixin

_position.scss

@mixin position(
  $position: absolute, 
  $top: null, 
  $right: null, 
  $bottom: null, 
  $left: null
) {
  position: $position;
  top: $top;
  right: $right;
  bottom: $bottom;
  left: $left;
}
 
// Usage:
// .box {
//   @include position(absolute, $top: 0, $left: 1.5rem);
// }
//
// Result:
// .box {
//   position: absolute;
//   top: 0;
//   left: 1.5rem;
// }