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See the Pen CSS Only Shimmer Button by Simon Goellner (@simeydotme) on CodePen.

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Animated Login Form – CSS by Vincent Van Goggles (@Gogh)
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WebGL liquid masking by Ksenia Kondrashova (@ksenia-k)
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3D carousel by yFGq-Ziw (@yfgq-ziw)
on CodePen.