SimplytheBest CSS

A Bootstrap 3 CSS megamenu add-on that uses the standard navbar markup and the fluid grid system classes of Bootstrap 3. You can include almost any HTML element.

A collection of stylish CSS lists.

Responsive slider with advanced CSS3 transitions. Using just HTML and CSS, Sequence allows you to create your own responsive slider with unique transitional styles. Over 40 transition options.

A bunch of cool, fun, and cross-browser animations for you to use in your projects. Great for emphasis, home pages, sliders, and general just-add-water-awesomeness.

A powerful little tool for managing CSS animations. Stack animations, create cross-browser blurring, set callbacks on animation completion, make magic.

A CSS pre-processor that extends the CSS language, adding features that allow variables, mixins, functions and many other techniques to make CSS that is more maintainable, themable and extendable. Less runs inside Node, in the browser and inside Rhino. There are also 3rd party tools that allow you to compile your files and watch for changes.

Super smooth CSS transitions and transformations for jQuery.

A lightweight jQuery plugin for radical web typography.

A JavaScript library that detects HTML5 and CSS3 features in the user’s browser. It creates a JavaScript object with the results, and adds classes to the html element for you to key your CSS on.

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.