On my future project I’m sure that this pack of html icons will be included. Chalkwork HTML is a free set of HTML-themed icons with 31 graphical representations of common markup elements, this is a completely free icon set available for personal and commercial projects alike.
Chalkwork HTML is available in 3 sizes and 6 file formats: transparent PNG, TIF, GIF, BMP, Windows ICO, and Mac ICNS.
Download Chalkwork HTML Icons
