Using stylus to build a css sprite. The national flag over 100 countries in images.
The icon element must be added a class country-icon . And a relative national flag class country-XX , such as China is "CN".
The empty blocks means is that I haven't fount out its country name.I'd appreciate you if you complemented remaining icons.You can add a country code to matrix in the stylus file country.styl .And You can add a icon to CSS Sprite what contain to icon.png and icon.psd if the icon is no exsiting in the icon.png.