Remove unused thumbnail prev/next icons from CSS
Remove unused thumbnail prev/next icons from CSS

openlibrary/bookreader,openlibrary/bookreader,garyrh/bookreader,brisandbeans/bookreader,Islandora/internet_archive_bookreader,niksu/bookreader,niksu/bookreader,niksu/bookreader,gootdude/bookreader,gootdude/bookreader,yankl/bookreader,yankl/bookreader,garyrh/bookreader,Islandora/internet_archive_bookreader,brisandbeans/bookreader,internetarchive/bookreader,brisandbeans/bookreader,niksu/bookreader,gootdude/bookreader,nikolas/bookreader,garyrh/bookreader,garyrh/bookreader,openlibrary/bookreader,gootdude/bookreader,brisandbeans/bookreader,yankl/bookreader,Islandora/internet_archive_bookreader,niksu/bookreader,Islandora/internet_archive_bookreader,yankl/bookreader,yankl/bookreader,brisandbeans/bookreader,internetarchive/bookreader,garyrh/bookreader,openlibrary/bookreader,openlibrary/bookreader,nikolas/bookreader,Islandora/internet_archive_bookreader