Custom CSS not persistent & can't be saved

[jayrope]

Feature suggestions: • Make entered CSS persistent during log out/in. • Make custom CSS part of a custom theme. ALSO • Add SAVE option to any CSS entered into /settings/custom-css. • Add help information regarding custom CSS options.

Situation • Custom CSS in /settings/custom-css is not saved with a preferenc backup or theme. • Custom CSS is not persistent, when logging out and back in - or closing browser tab and then logging back in. • There is no detailed help information anywhere about the use of custom CSS entered into /settings/custom-css.