CSS Peeper - Smart CSS viewer tailored for Designers.
Carousel Maker by Contentdrips - Create carousel posts for IG & LinkedIn from your browser.
Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.
Carousel Hero - Create carousels for LinkedIn, Instagram, and TikTok for free and without any sign-up.
Purgecss - Easily remove unused CSS
Instagram.css - Complete set of Instagram filters in pure CSS