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No.66 · Cards

Halo Frame

A hairline frame with a comet of light endlessly orbiting its edge — pure CSS, driven by an animated @property angle.

The prompt

Written for the variant you picked above: Amber quote

Wrap content in a 1px frame (10px radius) whose border carries a slow orbiting light. Build it with a padding: 1px wrapper whose background is a dark hairline colour, and two pseudo-elements behind the content, each a conic-gradient rotated by a registered @property --angle that animates 0 → 360deg linearly and infinitely (speed prop, default 7s). The first gradient is the comet: transparent for most of the circle, then a short run through three colours (colors prop: [a, b, c], dim → bright → pale) and back — a head roughly 20% of the circumference wide. The second gradient starts 180° ahead and is a much thinner, 55%-strength sliver at 70% opacity, so a faint counter-light chases the comet from the opposite side. Because the frame is only 1px, the light reads as travelling along the border rather than glowing. Under reduced motion the light rests at the top-right corner. Selected variant — Amber quote: Amber quote (HaloQuote): comet colours #e8a24a → #f3b45f → #f6c98a at the default 7s; inside, a quote card on the page colour with a mono uppercase amber kicker ("Our intent") and a large italic serif line (clamp 1.5–2.06rem, 1.22 line height, 30ch max).

Notes

Interaction
None — it's ambient. The light orbits continuously.
Motion
One @property angle animated 0 → 360° over 7s linear; both conic layers share it, offset by 180°.
Accessibility
Purely decorative pseudo-elements; content stays a semantic <blockquote>. Reduced motion stops the orbit.
Responsive
Fluid width; the quote text scales with clamp(). Speed and colours are props.

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301 components