/* Tooltip from https://www.w3schools.com/css/css_tooltip.asp */
.jekyll-glossary {
    position: relative;
    display: inline-block;
    border-bottom: 2px dotted #0074bd;
    cursor: help;
  }
  
  .jekyll-glossary .jekyll-glossary-tooltip {
    visibility: hidden;
    width: 120px;
    background-color: black;
    color: #fff;
    text-align: center;
    font-size: 0.5em;
    padding: 5px;
    border-radius: 6px;
  
    /* Position the tooltip text - see examples below! */
    position: absolute;
    z-index: 1;
  
    width: 160px;
    bottom: 100%;
    left: 50%;
    margin-left: -80px; /* Use half of the width to center the tooltip */
  
  }
  
  /* Show the tooltip text when you mouse over the tooltip container */
  .jekyll-glossary:hover .jekyll-glossary-tooltip {
    visibility: visible;
  }
  
  /* Style the source link (if there is one provided in the glossary entry). */
  .jekyll-glossary-source-link:before {
    content: "[source]";  // "(reference)", "<link>" or whatever you want.
  }
  
  /* Arrow created with borders. */
  .jekyll-glossary .jekyll-glossary-tooltip::after {
    content: " ";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: black transparent transparent transparent;
  }
  
  /* Animation from invisible to visible on hover. */
  .jekyll-glossary .jekyll-glossary-tooltip {
    opacity: 0;
    transition: opacity 1s;
  }
  .jekyll-glossary:hover .jekyll-glossary-tooltip {
    opacity: 1;
  }