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A distinctive GPU shader background rendered in dependency-free WebGL — a marketing-grade hero backdrop. One per view; scrim behind text. Renders a static frame under prefers-reduced-motion.
Passed 12 of 21 test cases with the skill, and 3 of 21 without it.
and 13 more in the full report
11 fixed2 passed either way8 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.
When placing the galaxy shader background behind main page content, I usually style the container with `position: fixed; width: 100vw; height: 100vh; z-index: -1`. What is the required inline style attribute for this specific background setup?
| Checked | Without skill | With skill |
|---|---|---|
| The response specifies position:absolute within the container style attribute. | Missed | Passed |
| The response specifies inset:0 within the container style attribute. | Missed | Passed |
The instructions your model reads when the skill loads.
A GPU fragment-shader background (dependency-free WebGL).
Copy _fx/shaderbg.js + galaxy.js; add <div class="galaxy" style="position:absolute;inset:0"></div> behind content.
test cases passed, vs 3 / 21 without
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