If mouse is on left a previous button will appear, when clicked it will take you to the previous backdrop, if the mouse is on the right a next button will appear, when clicked it will take you to the next backdrop. Already includes the following: automatically plays music, cover, comic pages and next/previous buttons, mobile friendly.
Credits to @CozyTheCozy (aka MEEEEEE) for making this. Remix this as you please but please give me credit.
