A fast and slick theme framework which provides
a rich tool set to develop cross-platform themes.
UIkit is a lightweight and modular front-end framework for developing fast and powerful web interfaces. It comes with a wide range of reusable and combinable components. All UIkit classes are namespaced, so they won't interfere with other frameworks and extensions you might be using. Here's an overview of the different UIkit components, which you can easily modify using the customizer.
The built-in LESS compiler makes using variables and mixins a breeze.