have it zoom in and out once in a while Periodic bursts
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Gradient layering
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have the color pallete change over time Hue rotation
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have it zoom in and out once in a while Ease-in-out
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have the color pallete change over time Dynamic hues
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have it zoom in and out once in a while Zoom Timing
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have it zoom in and out once in a while Random Intervals
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click to explore, then edit