Facebook-like Content Loader For Modern Web – mocka
mocka helps you create an animated content placeholder which can be used as a content loader as you seen in Facebook.com.
CSS & CSS3
Responsive Flexbox Based Grid Layout – Griddd
Griddd is a lightweight, responsive, CSS flexbox based grid layout that is fully customizable via SASS.
Nested Dropdown Menu In Pure CSS
A CSS-only multi-level dropdown menu, animated with CSS3 transitions, transforms, and animations.
iOS Style Toggle Button In Pure CSS
iOS-style on/off toggle switch implemented in pure HTML and CSS.
A Super Tiny CSS Reset – Tinyreset.css
An extremely lightweight CSS reset library for modern web design.
Minimal Animated CSS Tooltip Library – microtip
microtip.css is a lightweight HTML5/CSS library used for creating minimal, elegant, CSS3 animated tooltips appending to any DOM elements within the document.
Direction-aware Hover Effects In Pure CSS
This is a pure CSS implementation of the hover effects that slide in/out depending on the direction your mouse enters in/out.
Pretty Cool CSS Buttons Library – Buttons
Buttons is a CSS/SASS library that enables you to embed more than 25 types of web buttons into your html document.
5 Amzing CSS Animations – Obnoxious.CSS
The Obnoxious.CSS provides 5 CSS/CSS3 powered animations for the strong of heart, and stupid of mind.
Responsive Step Progress Indicator with Pure CSS
A pure css progress indicator that helps you create responsive, fully customizable step wizards or timelines in both directions.