Display Hover

HTML

<p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. <a href="#" class="tooltip" data-tooltip="Ist das nicht ein toller Tooltip! So informativ!">Stet clita kasd gubergren</a>, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.</p>

CSS

a.tooltip {
    position: relative;
    text-decoration: none;
  }
  a.tooltip:after {
    width: 120px;
    content: attr(data-tooltip);
    position: absolute;
    bottom: 130%;
    left: 20%;
    background: #ffcb66;
    padding: 5px 15px;
    color: black;
    -webkit-border-radius: 10px;
    -moz-border-radius   : 10px;
    border-radius        : 10px;
    
    opacity: 0;
     /* At time of this creation, only Fx4 doing pseduo transitions */
    -webkit-transition: all 0.4s ease;
    -moz-transition   : all 0.4s ease;
  }
  a.tooltip:before {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    border-top: 20px solid #ffcb66;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    /* At time of this creation, only Fx4 doing pseduo transitions */
    -webkit-transition: all 0.4s ease;
    -moz-transition   : all 0.4s ease;
    opacity: 1;
    left: 30%;
    bottom: 90%;
    display:none;
  }
  a.tooltip:hover:after {
    bottom: 100%;
  }
  a.tooltip:hover:before {
    bottom: 70%;
  }
  a.tooltip:hover:after, a:hover:before {
    display:block;
  }

JavaScript

// Braucht man nicht! Juhu!