/**
 * Affiliate disclosure [ ! ] tooltip (optional; native title works in Jekyll).
 * Linked from _includes/custom-head.html
 */
.tooltip-container {
  position: relative;
  display: inline-block;
  cursor: pointer;
  vertical-align: super;
  font-size: 0.75em;
  margin-left: 0.1em;
}

.tooltiptext {
  visibility: hidden;
  width: 200px;
  background-color: #333;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 6px 8px;
  position: absolute;
  z-index: 1;
  bottom: 120%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip-container:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}