Icon collection made with CSS only without using images "Peculiar"

I do not know what kind of demand is, but it is an icon collection "Peculiar" made with only CSS without using any image file. On the page, it is 16 x 16 pixels as a sample, but in fact it can be expanded any number of times.

Details are as below.
Peculiar
http://lucianmarin.com/peculiar/


Supporting browsers using Gecko such as IE9, Firefox, Camino, Opera, Safari, Google Chrome and WebKit. Although IE 6 · 7 · 8 is unsupported,CSS 3 PIEI used to make CSS 3 available for somehow.


In addition, it is free for use only for educational purposes, and personal use and commercial use requires $ 25.