How is Gothic Literature related to The Strange Case of Dr. Jekyll and Mr. Hyde?

Gothic
writing tends to be very dark, focus on the evil side of human nature, have supernatural and
unexplained elements to it, and have a lot of suspense and mystery.  All of these can be seen in
the book .  This book is very dark--meaning, it focuses on scary,
mysterious, depressing things.  Murders occur, brutalities are committed, there is a shadowing
workshop, a mystery that is unsolved.  It is very dark.  This novel focuses a lot on the dark
side of human nature, meaning, what we as humans are capable of if we let go of our inhibitions
and...