[data-title]:hover:after {
  opacity: 1;
  transition: all 0.1s ease 0.5s;
  visibility: visible;
}
[data-title]:after {
  content: attr(data-title);
  position: absolute;
  bottom: -1.6em;
  left: 100%;
  padding: 4px 4px 4px 8px;
  color: #666;
  white-space: nowrap;
  -moz-border-radius: 5px;
  -webkit-border-radius: 5px;
  border-radius: 5px;
  -moz-box-shadow: 0px 0px 4px #666;
  -webkit-box-shadow: 0px 0px 4px #666;
  box-shadow: 0px 0px 4px #666;
  background-image: -moz-linear-gradient(top, #f0eded, #bfbdbd);
  background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #f0eded), color-stop(1, #bfbdbd));
  background-image: -webkit-linear-gradient(top, #f0eded, #bfbdbd);
  background-image: -moz-linear-gradient(top, #f0eded, #bfbdbd);
  background-image: -ms-linear-gradient(top, #f0eded, #bfbdbd);
  background-image: -o-linear-gradient(top, #f0eded, #bfbdbd);
  opacity: 0;
  z-index: 99999;
  visibility: hidden;
}
[data-title] {
  position: relative;
}