have it zoom in and out once in a while Random Intervals

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have it zoom in and out once in a while Acceleration/Deceleration

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have it zoom in and out once in a while Ease-in-out

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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 Periodic bursts

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have it zoom in and out once in a while Add Scaling

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have the color pallete change over time Palette cycling

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make it feel like waves of the ocean Water ripple

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