Resize all buttons to widest width
Textition Text transition demo
Solar System CSS
School Clock CSS
Glowing Text
No-Library (pure JS), HTML, CSS, JavaScript
Animated Borders
Using a rounded corner (radiused) DIV and a transparent background and border on input controls, you can make it look like the control has rounded corners.
HTML5 Web Storage
An example using jquery Validate
Animated Snow Flakes
Accordian Slider in CSS3
Smooth Slide-Out Navigation Menu with jQuery
Animated and responsive CSS Buttons
jQuery 2.1.3, HTML, CSS, JavaScript