Some markdown css fixes
Some markdown css fixes

owncloud/galleryplus,owncloud/gallery,IATkachenko/gallery,setnes/galleryplus,owncloud/galleryplus,efueger/galleryplus,leftees/galleryplus,setnes/gallery,desaintmartin/gallery,patman15/galleryplus,interfasys/galleryplus,patman15/galleryplus,patman15/galleryplus,desaintmartin/gallery,viraj96/gallery,tahaalibra/gallery,IATkachenko/gallery,owncloud/galleryplus,tahaalibra/gallery,viraj96/gallery,imjalpreet/gallery,leftees/galleryplus,setnes/galleryplus,IATkachenko/gallery,tahaalibra/gallery,efueger/galleryplus,desaintmartin/gallery,leftees/galleryplus,setnes/galleryplus,setnes/gallery,setnes/gallery,interfasys/galleryplus,imjalpreet/gallery,viraj96/gallery,imjalpreet/gallery,owncloud/gallery,interfasys/galleryplus,owncloud/gallery