Take a screenshot of these DOM nodes to2x make a PNG.

8x8 / 16x16 @ 2x

16x16 / 32x32 @ 2x

32x32 / 32x32 @ 2x

32x32 / 64x64 @ 2x

64x64 / 128x128 @ 2x

128x128 / 256x256 @ 2x

256x256 / 512x512 @ 2x

512x512 / 1024x1024 @ 2x