[lang] CSS tweaks: fix typo (#4456)
[lang] CSS tweaks: fix typo (#4456)


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