CONTAINER_BORDER_IMAGE = https://i.postimg.cc/3NpJkyWd/lightning2.png
CONTAINER_BORDER_IMAGE_SLICE = fill 42%
CONTAINER_BORDER_IMAGE_WIDTH = 30px
CONTAINER_BORDER_IMAGE_OUTSET = 10px
CONTAINER_BORDER_IMAGE_REPEAT = round
lightning themed! || originally made this for an oc rentry but anyone can use :')