#tooltip {
  font-family: Ubuntu, sans-serif;
  font-size: 0.875em;
  text-align: center;
  text-shadow: 0 1px rgba(0, 0, 0, 0.5);
  line-height: 1.5;
  color: #fff;
  background: #333;
  background: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0.6)), to(rgba(0, 0, 0, 0.8)));
  background: -webkit-linear-gradient(top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8));
  background: -moz-linear-gradient(top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8));
  background: -ms-radial-gradient(top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8));
  background: -o-linear-gradient(top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8));
  background: linear-gradient(top, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.8));
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
  border-top: 1px solid #fff;
  -webkit-box-shadow: 0 3px 5px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0 3px 5px rgba(0, 0, 0, 0.3);
  box-shadow: 0 3px 5px rgba(0, 0, 0, 0.3);
  position: absolute;
  z-index: 100;
  padding: 15px;
}
#tooltip:after {
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top-color: #333;
  border-top: 10px solid rgba(0, 0, 0, 0.7);
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  margin-left: -10px;
}
#tooltip .top:after {
  border-top-color: transparent;
  border-bottom-color: #333;
  border-bottom: 10px solid rgba(0, 0, 0, 0.6);
  top: -20px;
  bottom: auto;
}
#tooltip .left:after {
  left: 10px;
  margin: 0;
}
#tooltip .right:after {
  right: 10px;
  left: auto;
  margin: 0;
}