Button hovers: lighten in stead of darken—buttons should smile, not cry ;).
Merge commit 'e5f5d8084e62ce99742f8213a0480ccdabfbd12c'

* commit 'e5f5d8084e62ce99742f8213a0480ccdabfbd12c':
  Fix reference to padding-bottom
  added debug mode
  fixed all classes outputting seperatly for mobile while all the same
  12th collumn was missing, fixed by changing to -> trough
  Fix indentation: spaces and tabs shouldn't be mixed