Is the way to add GitHub Dark dimmed theme?

[1alexvash]

I really love your library, and I've found the really nice example of using your library over the internet

https://codesandbox.io/s/0h5ii?file=/components/Layout.js:1651-1957

I'm curious is there a way to add GitHub Dark dimmed theme? Like on the https://highlightjs.org/static/demo/ ?