@mixin borders($borders) {
  @each $border in $borders {
    $direction: nth($border, 1);
    @if $direction == "all" {
      $size: map-get(map-get($borders, $direction), size);
      $style: map-get(map-get($borders, $direction), style);
      $color: map-get(map-get($borders, $direction), color);
      border: $size $style $color;
    } @else if $direction == "top" {
      $size: map-get(map-get($borders, $direction), size);
      $style: map-get(map-get($borders, $direction), style);
      $color: map-get(map-get($borders, $direction), color);
      border-top: $size $style $color;
    } @else if $direction == "right" {
      $size: map-get(map-get($borders, $direction), size);
      $style: map-get(map-get($borders, $direction), style);
      $color: map-get(map-get($borders, $direction), color);
      border-right: $size $style $color;
    } @else if $direction == "bottom" {
      $size: map-get(map-get($borders, $direction), size);
      $style: map-get(map-get($borders, $direction), style);
      $color: map-get(map-get($borders, $direction), color);
      border-bottom: $size $style $color;
    } @else if $direction == "left" {
      $size: map-get(map-get($borders, $direction), size);
      $style: map-get(map-get($borders, $direction), style);
      $color: map-get(map-get($borders, $direction), color);
      border-left: $size $style $color;
    }
  }
}