# Grayscale CSS > CSS For Minimalists Grayscale is a tiny-dynamic-classless css stylesheet designed for rapid prototyping. Use AS-IS or... **CHANGE A SINGLE COLOR** and **REDEFINE YOUR ENTIRE THEME**, complete with *light* and *dark* modes. It *may* be `classless`, but it *oozes* with an [extendable](src/extras) style that just rocks!! All in **2kb gzipped!** ### Features - Tiny, 2kb - Classless - Dynamic, 15 Custom CSS Vars - Pure CSS Theme Generation - Includes Light and Dark Themes > WARNING: ever-green browsers need only apply ;) ## Check it Out - [Theme Builder](https://n2geoff.github.io) While **Grayscale CSS** can generate a dynamic theme based on A SINGLE COLOR, it defaults to a beautiful theme is based on `steelblue` , and of course that comes in both `light` and `dark` variants ---