Bump base: fix gray background instead of white on Kindle (#3634)
Bump base: fix gray background instead of white on Kindle (#3634)


Markismus/koreader,apletnev/koreader,poire-z/koreader,NiLuJe/koreader,houqp/koreader,mihailim/koreader,Frenzie/koreader,mwoz123/koreader,Hzj-jie/koreader,Frenzie/koreader,koreader/koreader,koreader/koreader,pazos/koreader,lgeek/koreader,poire-z/koreader,NiLuJe/koreader