css-inherit-fn
Enables you to write CSS that can inherit and iterate on --vars with ZERO runtime JS.
--var: calc(inherit(--var, 0) + 1);
Less and Sass buildInherit()
mixins compile to vanilla CSS.
Read the documentation here: https://propjockey.github.io/css-inherit-fn/
Or skip the docs and go hands on in the live playground demos: https://propjockey.github.io/css-inherit-fn/#live-examples