Create a theme customizer

[ffoodd]

Using CSS custom properties and localStorage, we can easliy make colors, fonts et all customizable.

See Inclusive components' theme switcher as an example.

I see it more like an assistive tool for users (increase or decreases contrasts and font sizes, at least) as well as a wonderful crash-tester for sseeeedd :D

Including it in every staticwork would be very, very valuable.

[ffoodd]

This'll be very tight to #41 and #39

[ffoodd]

Would it be a good idea to use a CSS only configuration, and parsing custom properties as JSON while building? Tommy Hodgins came up with a nice experiment on CodePen.

[ffoodd]

Jonathan Harrell came up with "Live theming with CSS variables" post.