HTML5, CSS3 & JS Experiments

<p>Hover the links on below to see the tooltips in action.</p>
<p>If you like this script, you can also check 
    my <a href="http://wemakesites.net/" target="_blank" data-title="Martin Ivanov's personal and portfolio website">
        personal wesbite</a>, <a href="http://acidjs.wemakesites.net/" target="_blank" data-title="Acid.JS Web.UI">
            Acid.JS Web.UI</a>, <a href="https://acidmartin.wordpress.com/" target="_blank" data-title="My blog, established in 2006">
                my blog</a> or follow me on <a href="https://twitter.com/#!/wemakesitesnet" target="_blank" data-title="Follow me on Twitter for daily cool stuff.">
                    Twitter</a></p>
        

/**
 * CSS3 Tooltips
 * Created by Martin Ivanov
 * http://wemakesites.net
 */
 
/* the tooltip will be applied to any element, containing data-title attribute */ 
[data-title]
{
    position: relative;
    padding: 0;
}

[data-title]::before,
[data-title]::after
{
    position: absolute;
    left: 50%;
    z-index: 5;
    opacity: 0;
    visibility: hidden;
    background: #000;
    box-shadow: 0 0 2px 1px rgba(0, 0, 0, .8);
    
    -moz-transition: opacity 200ms 50ms linear;
    -webkit-transition: opacity 200ms 50ms linear;
    -ms-transition: opacity 200ms 50ms linear;
    -o-transition: opacity 200ms 50ms linear;
    transition: opacity 200ms 50ms linear;
}

[data-title]:hover::before,
[data-title]:hover::after
{
    opacity: 1;
    visibility: visible;
}

/* the tooltip */
[data-title]::before
{
    content: attr(data-title);
    width: 120px;
    padding: 4px;
    margin: 30px 0 0 -68px;
    font: normal 11px/16px Arial, Sans-serif;
    color: #fff;
    cursor: default;
    border-radius: 4px;
}

/* the pointer */
[data-title]::after
{
    content: "";
    width: 8px;
    height: 8px;
    margin: 26px 0 0 -6px;
    
    -moz-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}