AdminLTE/scss/dark/bootstrap/_tooltip.scss

// Base class
.tooltip {
  opacity: 0;

  &.show { opacity: $tooltip-opacity-alt; }
}

.bs-tooltip-top,
.bs-tooltip-auto[data-popper-placement^="top"] {
  .tooltip-arrow {
    &::before {
      border-top-color: $tooltip-arrow-color-alt;
    }
  }
}

.bs-tooltip-end,
.bs-tooltip-auto[data-popper-placement^="right"] {
  .tooltip-arrow {
    &::before {
      border-right-color: $tooltip-arrow-color-alt;
    }
  }
}

.bs-tooltip-bottom,
.bs-tooltip-auto[data-popper-placement^="bottom"] {
  .tooltip-arrow {
    &::before {
      border-bottom-color: $tooltip-arrow-color-alt;
    }
  }
}

.bs-tooltip-start,
.bs-tooltip-auto[data-popper-placement^="left"] {
  .tooltip-arrow {
    &::before {
      border-left-color: $tooltip-arrow-color-alt;
    }
  }
}

// ***NOTE***: Do not use @extend as that would extend the base class and the dark class

// Wrapper for the tooltip content
.tooltip-inner {
  color: $tooltip-color-alt;
  background-color: $tooltip-bg-alt;
}