Mark Otto (@mdo) said that the `header-dark` class will be going away soon [1], so we can't be sure how long this extension will still be working. Personally,

Mark Otto (@mdo) said that the `header-dark` class will be going away soon [1], so we can't be sure how long this extension will still be working. Personally, I like the dark bar, though at first it was confusing since the dark bar is usually associated with GitHub Enterprise. [1] https://twitter.com/mdo/status/830149416556191744 https://twitter.com/mdo/status/830149416556191744