SimplytheBest CSS

The simply the best collection of CSS

An object-oriented PHP framework for building interactive Web User Interfaces. Outputs valid HTML/JS using semantic UI CSS framework. Includes 10+ components (CRUD, grid, form, menu, paginator and many more), Admin layout, Centered layout, 5+ automated form field types, full integration with jQuery and various plugins. Works with SQL, NoSQL and/or RestAPI.

Pure By: Yahoo! Inc.
Free Yahoo BSD

A set of small, responsive CSS modules that you can use in every web project. Crafted with mobile devices in mind. Responsive out of the box, so elements look great on all screen sizes. Customize your styles with the Skin Builder to make your style your own. Plays well with other libraries including Bootstrap and jQuery.

Use CSS3 transitions and CSS2 pseudo-elements to create an animated navigation ribbon with minimal markup.

147   2713

A little workaround to create a better jQuery stylesheet switcher.

Animsition By: blivesta
Free MIT

An easy jQuery plugin with 58 CSS animated page transitions.

A modern HTML5-ready alternative to CSS resets that makes browsers render all elements more consistently and in line with modern standards. It precisely targets only the styles that need normalizing.

165   2515

Unpack compressed CSS files to make them more readable.

134   2490
CSSmatic By: CSSmatic
Free

CSS tools for web designers: gradient, border radius, noise texture and box shadow generators.

125   2445

Social sign-in buttons made in pure CSS based on Bootstrap and FontAwesome.

Spectrum By: Brian Grinstead
Free Open Source

A no-hassle skinnable jQuery colorpicker using CSS gradients.