When comparing MUI CSS vs Picnic CSS, the Slant community recommends MUI CSS for most people. In the question“What are the best frameworks/libraries for implementing material design on the web?” MUI CSS is ranked 5th while Picnic CSS is ranked 6th.
Ranked in these QuestionsQuestion Ranking
Pro No external dependencies
11KB minified and gzipped
Pro React library
Pro HTML Email library
Pro Customizable using SASS
The MUI CSS can be easily customized by using the SASS files available on GitHub and via Bower. Customize breakpoints, font-settings and use Material Design colors.
Simple animations without too much fanciness keep the performance high and size small.
Pro Grid system - the same as Bootstrap
Pro WebComponents library
Pro Written in SCSS
Easy to extend.
Pro Style native HTML elements
You don't need to write presentation classes mixed with your HTML, It styles native HTML elements.
Under 10kb of compressed css.