Morass is an lightweight CSS library developped by MazeGroup. This library is used for many MazeGroup pages. By the way, this actual website use the last version of Morass.
Morass is responsive*, simply to use, can be used with other CSS libraries*. You can use Morass offline. It's free to commercial use !
* Responsiveness on phone screens has not yet been developed
* All class name start with mr-
Morass was maded with pure CSS and will be made too in JS. It design get the light and the dark mode.
Morass website Morass documentations Morass downloads
You can contribuate to the project !