what is data-icon in html5?

Question

What is \"data-icon\" in HTML5 and how can I use it? If you know any source where I can read more about it, please let me know. Thanks.

Answer 1

Have a look at this:
http://pictos.cc/server/

Data-icons are a way to add a background image to an element using fonts. The great benefits are that those images can be scaled and colored without loss of resolution.