Remove some unnecessary CSS in the HUD
Remove some unnecessary CSS in the HUD

Pretty sure these are unnecessary.

philc/vimium,decaffeinate-examples/vimium,poacher2k/vimium,philc/vimium,gdh1995/vimium,poacher2k/vimium,smblott-github/vimium,smblott-github/vimium,decaffeinate-examples/vimium,philc/vimium,decaffeinate-examples/vimium,smblott-github/vimium,gdh1995/vimium,gdh1995/vimium,poacher2k/vimium