Nebula flow border

Four blurred clouds — violet, cyan, pink, teal — sit on the corners of a card and drift along its edges on prime-numbered periods, so the frame never repeats. The opaque panel is what crops them into a border.

What it is

Soft clouds of violet, cyan, pink and teal sit just outside a panel and drift along its edges, never quite repeating. This is the decorative frame used on brand pages, album art and product hero sections — the kind of border that gives a flat dark card atmosphere instead of decoration. It is slow on purpose: nothing about it asks for attention, it just stops the panel from looking like a rectangle.

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Seen in

Douyin @跟着学姐学AI · ep.34 “如何让 AI 生成五种粒子边框动效” · effect 04/05 · 0:12–0:15 (3× playback)