spooky halloween panoramic banner with luminous cartoon pumpkins and trees on dark blue background

fog full moon bloodcurdling mysterious trees terrifying luminous foreboding ghosts spectral shadows dreadful bonechilling ominous menacing eerie background petrifying mystical bats silhouettes bat jackolanterns haunted horror chilling banner dark blue movie tombstones scary pumpkins cartoon spinetingling night black cat spooky frightening sinister halloween mist enchanted creepy panoramic party graveyard trick treat hairraising