6 Literature

1. Deconfusing Pre- and Post-processing — https://medium.com/@ddprrt/deconfusing-pre-and-post-processing-d68e3bd078a3
2. Still using CSS preprocessors in 2020? — https://medium.com/@bartsis/still-using-css-preprocessors-in-2020-aa893a476bc4
3. How to calculate percent minus px in SASS ? — https://www.geeksforgeeks.org/how-to-calculate-percent-minus-px-in-sass/
4. Nesting Style Rules — https://sass-lang.com/documentation/style-rules#nesting
5. css-modules — https://github.com/css-modules/css-modules
6. PostCSS Color Hex Alpha Plugin — https://github.com/csstools/postcss-plugins/tree/main/plugins/postcss-color-hex-alpha
7. autoprefixer — https://github.com/postcss/autoprefixer
8. Is Vendor Prefixing Dead? — https://css-tricks.com/is-vendor-prefixing-dead/
9. Vendor Prefix - MDN — https://developer.mozilla.org/en-US/docs/Glossary/Vendor_Prefix
10. Sass: Syntactically Awesome Style Sheets — https://sass-lang.com/
11. Less CSS — https://lesscss.org/
12. CSS Style Syntax — https://stylus-lang.com/
13. Poll Results: Popularity of CSS Preprocessors — https://css-tricks.com/poll-results-popularity-of-css-preprocessors/
14. PostCSS - a tool for transforming CSS with JavaScript — https://postcss.org/