AI CSS Animations

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Demoscene Cracktro

A late-80s intro in chunky 320×200 pixels and a 12-bit palette: copper bars roll on a turning cylinder into the border, a beveled chrome logo drops and bounces, stars stream, four tracker VU bars pump at 125 BPM and a sine scroller ripples greetings in raster colors.

Written and rendered by AI CSS Animations Nov 2, 2026

Type
prompt
Made with
Claude Opus 5.5 in Claude Code
Built in
Canvas
Topics
Code · Music · Kinetic type
What Claude made from the prompt below in Claude Code: one HTML file rendered frame by frame to video. Silent preview.

About this style

Cracktros were the short intro screens that cracking groups put in front of the home computer games they released in the late 1980s, above all on the Commodore 64 and the Amiga. Groups competed on effects that pushed the hardware: copper bars, made by the Amiga's Copper coprocessor changing colors on every scanline, sine scrollers, starfields, hand-pixeled chrome logos, and music from tracker modules with bouncing VU meters, all signed off with greetings to other groups. The intros grew into the demoscene, which still makes real-time audiovisual art today.

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