remove invalid properties from CSS file
slightly refactor CSS as per CR suggestions
fix indentation as per CR suggestions
Use one var statement per variable.
fix indentation as per CR suggestions + generally unify whitespacing
Fix truthy and constants
Merge pull request #1 from sole/bug-876011-add-some-ui

Bug 876011 add some ui
Replace the non-existing invisible toggle area with the x-tags switch and a bit of custom theming