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Live block · try it
Premiumvideo · light · seek · keyboard · hover · chapters
Lesson Player with Chapters and Previews
A watercolour lesson player with its chapters in two places: as segments along the timeline, where hovering shows a live thumbnail of that moment and the chapter's name, and as a list beside the video that tracks progress inside the current chapter; click a chapter to jump, drag the timeline to scrub, or use the keyboard to step between chapters.
The mechanic
Previews without sprites: the hover thumbnail is drawn by the same function as the video at the hovered time, so it is always exact; with real footage the same slot takes a second muted <video> seeked to that time.
How to use it
From prompt to a block in your page.
- 01Try the block
The preview is the shipped block inside a neutral demo page. Scroll, hover, drag: everything is live.
- 02Pick a palette
Token sets re-tint the block live. The prompt carries the one you chose.
- 03Pick your stack
A paste-in snippet, or a component for Next.js, React, Vue, Astro, WordPress, Shopify or Webflow.
- 04Copy the prompt
It quotes the block's markup, styles and script verbatim with the tokens and the rules that keep it self-contained.
- 05Drop it into your page
Add the head lines it names, paste the block, replace the placeholder copy. Tokens live on :root.
