@mixin tooltip-direction($arrow-width, $arrow-distance, $bg) {

  &[x-placement^="top"] {
    padding: $arrow-width 0 $arrow-distance;
  }
  &[x-placement^="right"] {
    padding: 0 $arrow-width 0 $arrow-distance;
  }
  &[x-placement^="bottom"] {
    padding: $arrow-distance 0 $arrow-width;
  }
  &[x-placement^="left"] {
    padding: 0 $arrow-distance 0 $arrow-width;
  }

  &[x-placement^="top"] &-arrow {
    bottom: $arrow-distance - $arrow-width;
    border-width: $arrow-width $arrow-width 0;
    border-top-color: $bg;
  }

  &[x-placement="top"] &-arrow {
    left: 50%;
    margin-left: -#{$arrow-width};
  }

  &[x-placement="top-start"] &-arrow {
    left: 16px;
  }
  &[x-placement="top-end"] &-arrow {
    right: 16px;
  }

  &[x-placement^="right"] &-arrow {
    left: $arrow-distance - $arrow-width;
    border-width: $arrow-width $arrow-width $arrow-width 0;
    border-right-color: $bg;
  }

  &[x-placement="right"] &-arrow {
    top: 50%;
    margin-top: -#{$arrow-width};
  }

  &[x-placement="right-start"] &-arrow {
    top: 8px;
  }
  &[x-placement="right-end"] &-arrow {
    bottom: 8px;
  }

  &[x-placement^="left"] &-arrow {
    right: $arrow-distance - $arrow-width;
    border-width: $arrow-width 0 $arrow-width $arrow-width;
    border-left-color: $bg;
    top: 50%;
    margin-top: -#{$arrow-width};
  }
  &[x-placement="left-start"] &-arrow {
    top: 8px;
  }
  &[x-placement="left-end"] &-arrow {
    bottom: 8px;
  }

  &[x-placement^="bottom"] &-arrow {
    top: $arrow-distance - $arrow-width;
    border-width: 0 $arrow-width $arrow-width;
    border-bottom-color: $bg;
  }
  &[x-placement="bottom"] &-arrow {
    left: 50%;
    margin-left: -#{$arrow-width};
  }
  &[x-placement="bottom-start"] &-arrow {
    left: 16px;
  }
  &[x-placement="bottom-end"] &-arrow {
    right: 16px;
  }
}