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Case library · Public evidence
One-screen landing page with a full-bleed video background, recreated in plain HTML, CSS and vanilla JS, with frameworks explicitly ruled out.
Prompt
Rebuild this as a **single-viewport, full-bleed video-background landing page** using static **HTML + CSS + vanilla JS** (no framework). Match the current implementation exactly. File…
GoodCase reconstructed this prompt from the public result image and the creator's MIT-licensed Skill method, then ran two independent generations without the source image or a fixed seed. Both runs preserved the oversized cropped butterfly, deep-teal single ink, bitmap engraving, editorial title, labels, paper texture, and 3:4 ratio. A/B stability: 9.3/10. This is not the creator's disclosed original prompt; the original model, seed, and exact prompt are unknown.
Prompt
GoodCase reconstructed prompt (not the creator's original): a vertical 3:4 deep-teal entomological poster with an oversized cropped butterfly and Didone title.
Static single-file recreation of two full-screen dark sections, with React, Tailwind and GSAP all banned, which tests hand-written craft.
Prompt
Recreate this page EXACTLY as a single static HTML file (no frameworks, no React, no Tailwind, no GSAP). Two full-viewport dark sections stacked vertically. Smooth scroll. Antialiased…
A single index.html with zero external requests apart from one video URL, with all CSS, JS and SVG inlined, as an exercise in extreme self-containment.
Prompt
Build a single, self-contained `index.html` file — no build step, no external requests except one video URL, no frameworks, no dependencies. Everything (CSS, JS, SVG) is inline. The file…
A professional advertising prompt for generating a refreshing mint gum product photo, with ice fog, water droplets, and premium commercial lighting effects.
Prompt
4:5 premium commercial ad, fictional {argument name="product" default="Arctic Mint Ice Gum"}, hero-hand foreground, {argument name="subject" default="adult non-Black model"}, {argu
Dark, cinematic landing page for AI infrastructure, delivered as a single index.html with inline CSS and JS and no build step. A pixel-level recreation task.
Prompt
Recreate a single-file dark cinematic AI-infrastructure landing page EXACTLY as specified. Deliver one self-contained index.html (inline CSS + JS, no build step). Pixel-faithful to a…
Pixel-level recreation of a three-panel operations overview for Falcon AI, delivered as a single index.html with no external resources and everything written by hand.
Prompt
Recreate this page as a single self-contained index.html file — pixel-faithful to the Falcon AI Operations Overview triptych. No frameworks, no external CSS/JS/fonts/images. System fonts…
A delightful first-person anime cooking video prompt featuring a little bunny assistant and a chef making a fluffy omelet in a cozy pastel kitchen.
Prompt
Create a 15-second Ultra HD 4K anime cooking show POV video inspired exactly by the provided cute omelet recipe image. STYLE: Premium Japanese kawaii anime cooking commercial. Pas
Single-file full-screen poster page with scrolling and frameworks banned. Layout, fonts, colors and entrance choreography are all locked down, so you build to the picture.
Prompt
Build a **single-file** `index.html` full-viewport poster. No scroll. No frameworks. No redesign. Match layout, type, color, both image URLs, entrance choreography, mobile menu, and mouse…
A purely presentational component named PrecisionSection, built with React, TypeScript and Tailwind v3, with useState and icon libraries banned and all icons written as inline SVG.
Prompt
Build a single React + TypeScript + Tailwind CSS v3 component called `PrecisionSection`. No external icon libraries — all icons are inline SVG or `<img>` tags. No `useState`, no…
A refined multi-shot video prompt for creating a realistic 9:16 handheld selfie vlog documenting a woman at a Japanese summer festival. The video should feature consistent character details, a rhythmic chant, and a traditional festival atmosphere.
Prompt
STYLE: Handheld selfie vlog — arm's-length front camera, eyes locked to lens, natural micro-shake, bright airy festive tone. One continuous handheld take (no hard cuts); keep the y
Radial diagram section illustrating a brand methodology, built with React, TypeScript and Framer Motion, combining an infographic with web motion.
Prompt
Build an "Our Comprehensive Branding Approach" section as a React component using TypeScript, Tailwind CSS 3, and Framer Motion. The section sits on a dark background (`#0f0f0f`) with…
Dark Features section for a personal portfolio, built with React, TypeScript, Tailwind and lucide-react.
Prompt
Build a full-viewport dark personal portfolio Features section using React + TypeScript + Tailwind CSS + lucide-react. **Layout & Structure:** - Full screen dark background `#0a0a0a`,…
A multi-scene video prompt for creating a 1990s Disney-style hand-drawn animation starring a raccoon and a turtle in the forest.
Prompt
Classic 1990s Disney-style hand-drawn animation, colorful forest, expressive animal faces, exaggerated physical comedy, smooth cinematic motion, family-friendly humor. Scene 1 — 0–
Full-page About section on a solid red (#FF0000) background, built with React 19, Tailwind v4 and motion, a bold color exercise.
Prompt
--- ## Prompt Create a single full-page section with a solid `#FF0000` red background using React 19, TypeScript, Vite, Tailwind CSS v4 (`@tailwindcss/vite`), and `motion` (from…
Two-column sign-up screen called Aurora Sign Up, built with React, Tailwind v4 and motion/react, with real care given to animation on a form page.
Prompt
Please build a modern, two-column registration interface called "Aurora Sign Up". Use React, Tailwind CSS (v4), `motion/react` (for animations), and `lucide-react` (for icons). The app…
A complex cinematic video prompt presenting a psychological horror scene about a man and his perceived reflection. The shot moves from a symmetrical medium shot to a dramatic slow-motion mirror shatter, ending with an infinite mirrored void and a hard cut to black.
Prompt
@referance image As first frame. A sharply dressed man in a dark blazer and black shirt stands facing a tall ornate mirror in complete darkness. His reflection stares back — but th
About section using only the system font stack, built with React and Tailwind, with custom fonts explicitly banned. The constraint is the exercise.
Prompt
Build a single React component for an "About" section using Tailwind CSS. Use `lucide-react` for the ArrowRight icon. System font stack only (no custom fonts). Match every detail exactly:…
Modern landing page hero with refined motion, built with React, Vite and motion/react. The focus is on restrained, smooth animation.
Prompt
Prompt: Build a modern React landing page using Vite, Tailwind CSS, and motion/react for elegant animations. The application must feature a highly polished, aesthetic hero section and a…
A prompt for Grok Imagine designed to generate authentic 1970s Paris documentary footage featuring a gritty 16mm film aesthetic with organic grain and natural lighting.
Prompt
Gritty 16mm cinéma vérité, authentic 1970s Paris documentary footage, organic film grain, pure natural daylight, heavy shoulder-mounted handheld shake, no stabilization, soft focus falls,…
Behind the Lens section for a photography blog, on a white background with a 1200px content width. Values such as 60px spacing are written directly into the spec.
Prompt
Build a "Behind the Lens" photography blog section with the following exact specifications: **Layout and Structure:** - White background page, max-width 1200px, centered, 60px vertical…
Full-screen hero for the retro-futurist creative agency Mainframe, built with React and TypeScript. A two-typeface system gives the whole page its character.
Prompt
Build a full-screen hero landing page for a creative agency called "Mainframe" using React, TypeScript, Vite, and Tailwind CSS. Here is every detail: --- FONTS Load two fonts in…
A whimsical video prompt depicting animated shrimp celebrating a birthday on a beach, with one singing and the others playing piano keys.
Prompt
The lead shrimp sings happily with mouth moving clearly, as if singing Happy birthday to Mr Teng, the other shrimps play the piano keys together in rhythm, swaying and celebrating
Full-screen hero built with React, Tailwind, Framer Motion and Lucide in the Inter typeface, with every spec item stated precisely.
Prompt
Build a full-screen hero section using React, Tailwind CSS, Framer Motion, and Lucide React icons. Use the Inter font. The page is fully mobile-responsive. Here are the exact…