[data-tooltip] {
  position: relative;
}

[data-tooltip]:before,
[data-tooltip]:after {
  display: none;
  position: absolute;
  /*top: 0;*/
  bottom: 0;
}

[data-tooltip]:before {
  border-bottom: .1em solid #09f;
  border-bottom: .1em solid rgba(0,153,255,0.8);
  border-left: 2px solid transparent;
  border-right: 2px solid transparent;
  content: "";
  left: 20px;
  margin-top: 1em;
}

[data-tooltip]:after {
  background-color: #0099ff;
  background-color: rgba(0,153,255,0.8);
  border: 1px solid #0099ff;
  border: 1px solid rgba(0,0,0,0.8);
  border-radius: 4px;
  color: #ffffff;
  content: attr(data-tooltip-label) ":\A" attr(data-tooltip-message);
  left: 0;
  margin-top: 1.5em;
  padding: 5px 15px;
  white-space: pre-wrap;
  width: 200px;
  z-index: 1;
  text-align: left;
}

[data-tooltip]:hover:after,
[data-tooltip]:hover:before {
  display: block;
}