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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 20 of 22 test cases with the skill, and 4 of 22 without it.
and 18 more in the full report
16 fixed4 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 16 test cases the skill fixed. Same model, same prompt, with and without the skill.
What DOM element tag name and CSS class identifier must be assigned to the background mounting target in HTML?
| Checked | Without skill | With skill |
|---|---|---|
| The response specifies assigning the grainient class to the container element. | Missed | Passed |
| The response specifies using a div tag for the background wrapper. | Missed | Passed |
The instructions your model reads when the skill loads.
A GPU fragment-shader background (dependency-free WebGL).
Copy _fx/shaderbg.js + grainient.js; add <div class="grainient" style="position:absolute;inset:0"></div> behind content.
test cases passed, vs 4 / 22 without
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