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A terrible smile on a dark background
Wallpaper on a blurry background and printed font
Turquoise apple on a gray background for the desktop
Drawings of skulls on a black background
Red logo on a gray background
Silhouettes on a yellow background human evolution
Transparent tube on a purple background
Something intangible magical and pleasant on a blue background
Purple stripes on a black background
Qualitative characteristics on a bard background
Bright colors on a blue background infinity
Blue-green inscription on a gray background