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A living GPU shader background rendered in dependency-free WebGL — a distinctive, marketing-grade hero backdrop. One per view; put a scrim behind text. Renders a static frame under prefers-reduced-motion.
Passed 19 of 22 test cases with the skill, and 8 of 22 without it.
and 13 more in the full report
12 fixed7 passed either way2 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
What specific CSS class name must be assigned to the background container element when setting up this GPU fragment shader?
| Checked | Without skill | With skill |
|---|---|---|
| Assigns class aurora to the container div. | Missed | Passed |
The instructions your model reads when the skill loads.
A GPU fragment-shader background (dependency-free WebGL).
Copy _fx/shaderbg.js + aurora.js; add <div class="aurora" style="position:absolute;inset:0"></div> behind your content.
test cases passed, vs 8 / 22 without
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