<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
<style>
[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;