energylink/packages/grafana-ui/src/components/Tooltip/_Tooltip.scss

$popper-margin-from-ref: 5px;

@mixin popper-theme($backgroundColor, $textColor) {
  background: $backgroundColor;
  color: $textColor;

  .popper__arrow {
    border-color: $backgroundColor;
  }
}

.popper {
  position: absolute;
  z-index: $zindex-tooltip;
  color: $tooltipColor;
  max-width: 400px;
  text-align: center;
}

.popper__background {
  background: $tooltipBackground;
  border-radius: $border-radius-sm;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
  padding: 6px 10px;
  color: $tooltipColor;
  font-weight: 500;

  .popper__arrow {
    border-color: $tooltipBackground;
  }

  // Themes
  &.popper__background--error {
    @include popper-theme($tooltipBackgroundError, $white);
  }

  &.popper__background--info {
    @include popper-theme($popover-help-bg, $popover-help-color);
  }
}

.popper__arrow {
  width: 0;
  height: 0;
  border-style: solid;
  position: absolute;
  margin: 0px;
}

// Top
.popper[data-placement^='top'] {
  padding-bottom: $popper-margin-from-ref;
}
.popper[data-placement^='top'] .popper__arrow {
  border-width: 5px 5px 0 5px;
  border-left-color: transparent;
  border-right-color: transparent;
  border-bottom-color: transparent;
  bottom: -5px;
  left: calc(50% - 5px);
  padding-top: 5px;
}

// Bottom
.popper[data-placement^='bottom'] {
  padding-top: $popper-margin-from-ref;
}
.popper[data-placement^='bottom'] .popper__arrow {
  border-width: 0 5px 5px 5px;
  border-left-color: transparent;
  border-right-color: transparent;
  border-top-color: transparent;
  top: 0;
  left: calc(50% - 5px);
}

.popper[data-placement^='bottom-start'] {
  padding-top: $popper-margin-from-ref;
}
.popper[data-placement^='bottom-start'] .popper__arrow {
  border-width: 0 5px 5px 5px;
  border-left-color: transparent;
  border-right-color: transparent;
  border-top-color: transparent;
  top: 0;
  left: 5px;
}

.popper[data-placement^='bottom-end'] {
  padding-top: $popper-margin-from-ref;
}
.popper[data-placement^='bottom-end'] .popper__arrow {
  border-width: 0 5px 5px 5px;
  border-left-color: transparent;
  border-right-color: transparent;
  border-top-color: transparent;
  top: 0;
  left: calc(100% - 5px);
}

// Right
.popper[data-placement^='right'] {
  padding-left: $popper-margin-from-ref;
}
.popper[data-placement^='right'] .popper__arrow {
  border-width: 5px 5px 5px 0;
  border-left-color: transparent;
  border-top-color: transparent;
  border-bottom-color: transparent;
  left: 0;
  top: calc(50% - 5px);
}

// Left
.popper[data-placement^='left'] {
  padding-right: $popper-margin-from-ref;
}
.popper[data-placement^='left'] .popper__arrow {
  border-width: 5px 0 5px 5px;
  border-top-color: transparent;
  border-right-color: transparent;
  border-bottom-color: transparent;
  right: -5px;
  top: calc(50% - 5px);
}

.popper__target,
.popper__manager {
  display: inline-block;
}

.popper__manager--block {
  display: block;
}