Background.

Compare these components

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• Aurora band glow

  A soft ribbon of light lying across a dark frame, its edge wandering on layered noise while the color walks along its length.

• Aurora veil

  A full-bleed background of three drifting ribbons of light that add up where they cross, over a dark ground, with a caption layer that stays readable.

• Bar wave matrix

  A grid of short bars where each bar slides along its own track, and the phase offset from row to row turns the whole grid into a travelling wave.

Guidance