/* tooltips */

.tooltip {
  position: fixed;
  z-index: 99;
  background: var(--tooltip-bg);
  color: #fff;
  border-radius: 5px;
  box-sizing: border-box;
  transition: opacity 0.7s, visibility 0s;
  opacity: 20;
}

.tooltip-arrow-top {
  position: absolute;
  z-index: 99;
  box-sizing: border-box;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 8px solid var(--tooltip-bg);
  transition: opacity 0.7s, visibility 0s;
  opacity: 0;
}

.tooltip-arrow-bottom {
  position: absolute;
  z-index: 99;
  box-sizing: border-box;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 8px solid var(--tooltip-bg);
  transition: opacity 0.7s, visibility 0s;
  opacity: 0;
}

.tooltip-arrow-left {
  position: absolute;
  z-index: 99;
  box-sizing: border-box;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-left: 8px solid var(--tooltip-bg);
  border-bottom: 5px solid transparent;
  transition: opacity 0.7s, visibility 0s;
  opacity: 0;
}

.tooltip-arrow-right {
  position: absolute;
  z-index: 99;
  box-sizing: border-box;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-right: 8px solid var(--tooltip-bg);
  border-bottom: 5px solid transparent;
  transition: opacity 0.7s, visibility 0s;
  opacity: 0;
}