When comparing Spectre vs Flat Remix CSS, the Slant community recommends Spectre for most people. In the question“What is the best CSS framework?” Spectre is ranked 11th while Flat Remix CSS is ranked 18th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Lightweight
Pro Clean
Very clean design compared to bootstrap.
Pro Responsive
Works well on any device.
Pro Mobile ready
Spectre can be used to create mobile websites easily. With all the regular built in elements (buttons, menus, grids etc).
Pro Simple
Contains only the basics, no extra fluff.
Pro Open source
Spectre is used through Github, and is open source.
Pro Simple and lightweight
Simple CSS library that provides a set of predefined elements for a rapid web applications development. It follows a modern design using "flat" colors with high contrasts and sharp borders.
Pro Very lightweight
Minified, it only weights 7.5KB.
Pro No JS needed
No javascript code is needed. It only uses css so importing it is so much easier.
Pro Modern design
It follows the latest design trends but also shows its own personality.
Cons
Con Not actively developed
Con Flat design is not modern
Con Nothing new
No features making it out of the box.