CodePens

Here are some sample codepens that I have found interesting. All CodePens just use HTML, CSS, and JS, so you can try out the code on regular files without the need for a Drupal setup.

Practical Examples

Concept Map, 1bruddah

Dropdown, elmahdim

Intro-Level Javascript

Input Demo, nevkatz

Intro-Level CSS Animation

Rhythmic Pulse, nevkatz

CSS

Minesweeper, bali_balo

Isometric Vintage Computer, Antreas

CSS & SVG

Animated Blender, lilianquian

CSS & JS

Autorotation, bali_balo

Randomly Generating 3D Maze, ge1d00t

Magnifying Glass with Image Zoom, AGvin