If you want to dress your Macbook laptop a little stempunk-like, you can check out this sticker design by Dave Quattrini.
These steampunk like sticker is easy to apply, and once you’ve applied it all to your Macbook, the taste of Retro rusty typewriter is going out from your Macbook. The sticker is removeable, so you have no worry that the sticky-base will remain at your Macbook keyboard. There is also a PC laptop version and I’m sure they are as cool as the Macbook model.
This Steampunk Typewriter keyboard sticker is available for 19 Euro or about $25 USD.