When comparing Pure CSS from Yahoo! vs Cirrus, the Slant community recommends Pure CSS from Yahoo! for most people. In the question“What is the best CSS framework?” Pure CSS from Yahoo! is ranked 15th while Cirrus is ranked 23rd. The most important reason people chose Pure CSS from Yahoo! is:
Has an extremely minimalist look that is super-easy to customize since it basically gives designers just a foundation on which they can easily build their design.
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Pros
Pro Easy to customize
Has an extremely minimalist look that is super-easy to customize since it basically gives designers just a foundation on which they can easily build their design.
Pro Cross-Browser compatibility
A solid base built on Normalize.css to fix cross-browser compatibility issues.
Pro Lightweight
Extremely small file size: 4.5KB minified + gzip.
Pro Responsive
A responsive grid that can be customized to your needs.
Pro Works well with Bootstrap
Easily use Bootstrap CSS and JS elements within the framework.
Pro Supports Flexbox and CSS Grid
Supports both Flexbox and CSS grid making it a great modern choice for designing web apps.
Pro CSS Only
No additional JS/jQuery required to use.
Pro Mobile Responsive
Extremely responsive and supports many smaller screens.
Pro Open Source
Open source and quite actively maintained on Github.
Pro Lightweight
Much smaller than Bootstrap with just as much flexibility.
Cons
Con Not suitable for beginners
Since Pure CSS only carries a minimum number of styles out of the box, it might not be great for beginners who want a complete style that looks good out of the box without having to customize it.