Minor css refactor
Minor css refactor

PonteIneptique/arethusa,latin-language-toolkit/arethusa,latin-language-toolkit/arethusa,fbaumgardt/arethusa,fbaumgardt/arethusa,alpheios-project/arethusa,Masoumeh/arethusa,alpheios-project/arethusa,Masoumeh/arethusa,alpheios-project/arethusa,fbaumgardt/arethusa,PonteIneptique/arethusa