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  <li class="tooltip fade" data-title="Hypertext Markup Language">HTML
  <li class="tooltip fade" data-title="Cascading Stylesheets">CSS
  <li class="tooltip fade" data-title="Javascript">JS

  <li class="tooltip expand" data-title="Hypertext Markup Language">HTML
  <li class="tooltip expand" data-title="Cascading Stylesheets">CSS
  <li class="tooltip expand" data-title="Javascript">JS

  <li class="tooltip swing" data-title="Hypertext Markup Language">HTML
  <li class="tooltip swing" data-title="Cascading Stylesheets">CSS
  <li class="tooltip swing" data-title="Javascript">JS
              /* setup tooltips */
.tooltip {
  position: relative;
.tooltip:after {
  display: block;
  opacity: 0;
  pointer-events: none;
  position: absolute;
.tooltip:after {
	border-right: 6px solid transparent;
	border-bottom: 6px solid rgba(0,0,0,.75); 
  border-left: 6px solid transparent;
  content: '';
  height: 0;
    top: 20px;
    left: 20px;
  width: 0;
.tooltip:before {
  background: rgba(0,0,0,.75);
  border-radius: 2px;
  color: #fff;
  content: attr(data-title);
  font-size: 14px;
  padding: 6px 10px;
    top: 26px;
  white-space: nowrap;

/* the animations */
/* fade */
.tooltip.fade:before {
  transform: translate3d(0,-10px,0);
  transition: all .15s ease-in-out;
.tooltip.fade:hover:before {
  opacity: 1;
  transform: translate3d(0,0,0);

/* expand */
.tooltip.expand:before {
  transform: scale3d(.2,.2,1);
  transition: all .2s ease-in-out;
.tooltip.expand:after {
  transform: translate3d(0,6px,0);
  transition: all .1s ease-in-out;
.tooltip.expand:hover:after {
  opacity: 1;
  transform: scale3d(1,1,1);
.tooltip.expand:hover:after {
  transition: all .2s .1s ease-in-out;

/* swing */
.tooltip.swing:after {
  transform: translate3d(0,30px,0) rotate3d(0,0,1,60deg);
  transform-origin: 0 0;
  transition: transform .15s ease-in-out, opacity .2s;
.tooltip.swing:after {
  transform: translate3d(0,60px,0);
  transition: transform .15s ease-in-out, opacity .2s;
.tooltip.swing:hover:after {
  opacity: 1;
  transform: translate3d(0,0,0) rotate3d(1,1,1,0deg);

/* basic styling: has nothing to do with tooltips: */
h1 {
  padding-left: 50px;
ul {
  margin-bottom: 40px;
li {
  cursor: pointer; 
  display: inline-block; 
  padding: 0 10px;
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