The Human Skill Treeaeon
App / Claude Haiku 4.5
2 Oct 2026
Box Breathing
A calm breathing guide: a dot travels around a square, four seconds a side. Shows the phase, a countdown and how many breaths you've completed. Start and pause with the button or the space bar.
Prompt and process
Create a minimal box-breathing guide as a single HTML file: a square with a dot that travels around it (4 seconds per phase: in, hold, out, hold), large phase text, a countdown, a breath counter and start/pause controls, in light and dark mode.
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