steampunk/ ˈstimpʌŋk / noun
a visual style that uses elements from the time before computers were invented, combined in a way that would not have been possible at that time:
Steampunk style appeals to alternative types who reject mainstream fashion.
Steampunk is also a type of literature or movie-making that uses steampunk imagery and ideas:
Adams has already self-published a series of steampunk graphic novels.
Read all about it: Stop the world – I want to get off!