# arrow down button
# width height
7 8
# luma data
  0   0   0 142   0   0   0
  0   0   0 142   0   0   0
  0   0   0 142   0   0   0
142   0   0 142   0   0 142
142 142   0 142   0 142 142
142 142 142 142 142 142 142
  0 142 142 142 142 142   0
  0   0 142 142 142   0   0
# alpha data
  0   0   0 255   0   0   0
  0   0   0 255   0   0   0
  0   0   0 255   0   0   0
128   0   0 255   0   0 128
255 128   0 255   0 128 255
128 255 128 255 128 255 128
  0 128 255 255 255 128   0
  0   0 128 255 128   0   0