Dark mode and custom CSS

[Gary Kephart]

I've added this to LeftMenu to make the tabbed content a bit darker.
.tab-pane {background-color: #f0f0f0;}

However this doesn't look good in Dark Mode. What do I need to do to 
affect a similar change in Dark Mode?

Thanks,
  Gary

--
Gary Kephart
Facebook: gary.kephart
Twitter: @garykephart

"The penalty that good men pay for not being interested in politics is to be 
governed by lesser men." -- Plato.