@mixin borders($borders, $reverse: false) {
  @each $border in $borders {
    $direction: nth($border, 1);
    @if $direction == "all" {
      border: map-get($borders, $direction);
    } @else if $direction == "top" {
      border-top: map-get($borders, $direction);
    } @else if $direction == "right" {
      @if $reverse {
        border-right: 0;
        border-left: map-get($borders, $direction);
      } @else {
        border-right: map-get($borders, $direction);
      }
    } @else if $direction == "bottom" {
      border-bottom: map-get($borders, $direction);
    } @else if $direction == "left" {
      border-left: map-get($borders, $direction);
      @if $reverse {
        border-right: map-get($borders, $direction);
        border-left: 0;
      } @else {
        border-left: map-get($borders, $direction);
      }
    }
  }
}

@mixin borders-shadow($borders, $reverse: false) {
  @each $border in $borders {
    $direction: nth($border, 1);
    @if $direction == "all" {
      $size: map-get(map-get($borders, $direction), size);
      $color: map-get(map-get($borders, $direction), color);
      box-shadow: $size $style $color inset;
    } @else if $direction == "top" {
      $size: map-get(map-get($borders, $direction), size);
      $color: map-get(map-get($borders, $direction), color);
      box-shadow: 0 - $size $size - $size $color inset;
    } @else if $direction == "right" {
      $size: map-get(map-get($borders, $direction), size);
      $color: map-get(map-get($borders, $direction), color);
      @if $reverse {
        box-shadow: $size 0 $size - $size $color inset;
      } @else {
        box-shadow: - $size 0 $size - $size $color inset;
      }
    } @else if $direction == "bottom" {
      $size: map-get(map-get($borders, $direction), size);
      $color: map-get(map-get($borders, $direction), color);
      box-shadow: 0 $size $size - $size $color inset;
    } @else if $direction == "left" {
      $size: map-get(map-get($borders, $direction), size);
      $color: map-get(map-get($borders, $direction), color);
      box-shadow: $size 0 $size - $size $color inset;
      @if $reverse {
        box-shadow: - $size 0 $size - $size $color inset;
      } @else {
        box-shadow: $size 0 $size - $size $color inset;
      }
    }
  }
}