Hover Tooltip Text

by MegaScience

HTML

<p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. <a href="#" data-tooltip="This is a badass tooltip.">Vestibulum</a> erat wisi, condimentum sed, commodo vitae, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui. Donec non enim in turpis pulvinar facilisis. Ut felis. Praesent dapibus, neque id cursus faucibus, tortor neque egestas augue, eu vulputate magna eros eu erat. Aliquam erat volutpat. Nam dui mi, tincidunt quis, accumsan porttitor, facilisis luctus, metus <a href="#" data-tooltip="This is where my eyeballs would be if I was alive.">Test</a>  <a href="#">What</a>

</p>

CSS

/* Sources http: //css-tricks.com/pseudo-element-roundup/ and http://codepen.io/css-tricks/pen/wFeaG */

a[data-tooltip] {
    position: relative;
    text-decoration: none;
}
a[data-tooltip]:after {
    content: attr(data-tooltip);
    bottom: 130%;
    left: 20%;
    background: #ffcb66;
    padding: 5px 15px;
    color: black;
    -webkit-border-radius: 10px;
    -moz-border-radius : 10px;
    border-radius : 10px;
    white-space: nowrap;
}
a[data-tooltip]:before {
    content:"";
    width: 0;
    height: 0;
    border-top: 20px solid #ffcb66;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    left: 30%;
    bottom: 90%;
}
a[data-tooltip]:after, a[data-tooltip]:before {
    position: absolute;
    /* At time of this creation, only Fx4 doing pseduo transitions */
    -webkit-transition: all 0.4s ease;
    -moz-transition : all 0.4s ease;
    opacity: 0;
}
a[data-tooltip]:hover:after {
    bottom: 100%;
}
a[data-tooltip]:hover:before {
    bottom: 70%;
}
a[data-tooltip]:hover:after, a[data-tooltip]:hover:before {
    opacity: 1;
}

JavaScript

//Hover cursor over links/blue text for tooltips. Won't wonk on elements without the element data defining it. :o