A Responsive Text Input Form Field
When most people want a responsive text input form field they wrap it in a div. There's a more concise way.
Tipue Search, a site search jQuery plugin
Free, open source, responsive and fast. Tipue Search only needs a browser that supports jQuery.
Tipr, a small and simple jQuery tooltip plugin
It works on almost any element, and it's free and open source.
The Complete Guide To Centering A Div
With a few CSS tricks, any div can be centered, horizontally and/or vertically.
Beaty, a web scraper
Beaty grabs content from your site and returns it in diverse formats.
Using vw and vh
Vw and vh are viewport percentage values. Given how powerful they are, they should be everywhere.
The CSS z-index property often trips up even experienced developers.
Using CSS Feature Queries
They allow you to use cutting edge CSS with subtle and precise feature detection.