set of halloween party invitations, greeting cards, or posters with calligraphy, cutest pumpkins, bats and candy in night clouds

advertising autumn background banner bat bats boo calligraphy candy card cards cartoon celebration clouds concept craft creepy cut cute cutest decoration decorative design evil festive flyer frame fun ghost greeting halloween happy holiday horror illustration invitation invitations media night october offer orange paper party poster posters pumpkin pumpkins sale scary season set social spooky style template text treat trendy trick vector violet web yellow