mixins.csss

@mixin absolute-position($top, $right, $bottom, $left) {
  position: absolute;
  @if $top != '' {
    top: $top;
  }
  @if $right != '' {
    right: $right;
  }
  @if $bottom != '' {
    bottom: $bottom;
  }
  @if $left != '' {
    left: $left;
  }
}