we do not want to commit ourselves to keeping the CSS class names stable. basically this makes all of our CSS class names API (in the same way all of our themable colors have become API).The two main issues with this approach here is: Rather, we think that our theming story should be evolved to allow more user configurations. Thanks for this PR but we decided to not allow these kinds of modifications to our CSS directly. One of the guys from Microsoft ( said this: If you look at these issues here and here, I don't think you can inject the CSS permanently unless you make your own theme (I don't even know if you can modify the. Thank you for the CSS hack, it works for me, but it's only temporary.
