Animated Keyboard keys

All single keys, endless looping, transparent background
A-Z upper case
a-z lower case
1-0 Numbers
27 Glyphs
in total 90 animated keys, each key comes in 3 different dimensions:
100x100 (file sizes: between 200-400kb)
200x200 (file sizes: between 500-1000kb)
400x400 (file sizes: between 940-2000kb)