[CLEANUP] Move the visited nodes and their styles into fields.
[CLEANUP] Move the visited nodes and their styles into fields.

iFixit/emogrifier,MyIntervals/emogrifier,Synchro/emogrifier,ernsto/emogrifier,Seldaek/emogrifier,sanderkruger/emogrifier,jjriv/emogrifier,ricardofiorani/emogrifier,OzzyCzech/emogrifier