Who
MDN Web Docs and W3Schools.
Where
When
MDN is actively updated. W3Schools does not list a specific date.
What
This demo includes an animated gradient background, tab navigation, and scroll-triggered fade-in effects.
Why
These features improve user experience and make websites feel more modern and interactive.
Working Demo
The background animates using CSS gradients and keyframes.
Tabs switch content using JavaScript event listeners.
Fade-in effects use the Intersection Observer API.
Source Code
Highlighted using Prism.js pulling directly from project files.