What theme does Runnable Use for their Ace Editor Implementation

Question

It looks as though runnable.com uses ace code editor. What is the purple theme they use?

http://runnable.com/UmGTLn0iIYljAAEu/codemirror-example-change-theme

Answer 1

It appears they are using custom theme runnable_dark. Try running ace.define.modules["ace/theme/runnable_dark"].cssText in devtools to see it's css.