* also apply live-preview if an unsaved style was disabled
* use box-shadow instead of outline for focus everywhere
* allow focus outline on click in text/search input or textarea
* search inputs should use the same style as text inputs
* also use box-shadow focus on delete buttons
* remove URLSearchParams workaround, not needed since Chrome 55
* use `once` in addEventListener, available since Chrome 55
* update USO bug workarounds, remove obsolete ones
* ping/pong to fix openURL with `message` in FF
* use unprefixed CSS filter, available since Chrome 53
* use unprefixed CSS user-select, available since Chrome 54
* focus tweaks
* also use text query in inline search for Stylus category
* use event.key, available since Chrome 51
Co-authored-by: narcolepticinsomniac
* rework and move newUI+theme to options.html
* rephrase/clarify the find styles label
* switch to USO-archive
* search for 'Stylus' keyword to filter out Stylish crud
* use archive's default search order
* Implement Dropbox export (#82)
* Remove wrong dropbox api key
* Improve implementation of Dropbox by using identity.launchWebAuthFlow api and get rid of web_accessible_resources
* We don't need a dropbox receiver anymore, remove constante with the html file
* Implement compression in dropbox export
* Add LICENSE file from dropbox and zipjs
* Fix code style error
* Fix code style and folder structure of the feature
* Fix eslint error in dropbox implementation
* Add real dropbox api key from stylus dropbox account
* For test only: fixed addon's ID on firefox
* Change the file not found message to a better one
* Add dropdown style on export and import buttons
* Changes arrow from buttons to svg
* Remove applications entry on manifest.json
* Remove unnecessary break line
Non-select filter labels and their contents were misaligned. They were also shorter with lighter hover backgrounds. Everything should match up now. There's only one currently, but I used general selectors which should work in case any new ones are added.
Manage: Disable tabindex in nested buttons
Manage: Fix homepage link alignment
Manage: Make entry actions keyboard navigatable
Manage: Add search help accessibility
Msgbox: Save and restore focus
Manage: Fix delete confirmation cancel
Manage: Make history button accessible
Manage: Make favicons dropdown accessible
Manage: Prevent focus on hidden textarea
Msgbox: Stop tabbing outside of msgbox
Usercss: Make nondefault reset accessible
Usercss: Make colorpicker accessible
Edit: Disable tabindex in nested buttons
Edit: Make info and config icons accessible
Options: Cleanup HTML
Options: Make advanced toggle accessible
Edit: Fix issues popup
Edit: Remove link underlines from icons
* same icon in manager
(didn't change the editor config icons as those aren't for usercss)
* "external" icon for USO styles to avoid confusion
(opening a tab is an extremely different action)
* smaller paddings in popup
* removed hover effect on label text
(necause native <select> elements cannot be expanded from js)
* various fixups
