The alternate style source files have the same file path as we use in the Hack source. The *.glif design source files are intended to be used as direct replacements for the existing default source ...

It hides standard html "input checkbox" but synchronizes with it It uses icon fonts It scales as you want. You just set up a font-size and that's all It can be styled as you wish with help of css It's ...

No. Cone head girl is not a good skin, cel-shading or otherwise, and her alternate is just a neon color palette. One theme here is that most of these alt styles aren’t good either.