@mixin hairline-common() {
  position: absolute;
  box-sizing: border-box;
  pointer-events: none;
  content: ' ';
}

@mixin hairline($color: var(--z-border-color)) {
  @include hairline-common;

  inset: -50%;
  border: 0 solid $color;
  transform: scale(0.5);
}

@mixin hairline-top($color: var(--z-border-color), $left: 0, $right: 0) {
  @include hairline-common;

  top: 0;
  right: $right;
  left: $left;
  border-top: 1px solid $color;
  transform: scaleY(0.5);
}

@mixin hairline-bottom($color: var(--z-border-color), $left: 0, $right: 0) {
  @include hairline-common;

  right: $right;
  bottom: 0;
  left: $left;
  border-bottom: 1px solid $color;
  transform: scaleY(0.5);
}