e9ca5e144c
With JS disabled, it is not possible to change the block visibility user preference and therefore not possible to show content which was hidden. Since the block hiding functionality is a nicety, and we have no controls to show and hide the blocks when JS is disabled, we should instead show the block content regardless of the user preference.
These css files are created from .less files via the method described in the readme in the /theme/bootstrap/less/ folder. It's unwise to directly the edit the css files as your changes may be overwritten.