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Sidebery

Sidebery is optional!

Sidebery is not a dependency of FF Ultima and is completely optional, while configuration does exist (below), it is not the primary focus of the theme.

Here's a preview of Vertical Tabs & Sidebery right next to it. Can you spot the difference?

Well yeah, you can spot the difference. But the point is.. Sidebery is automatically themed to be as consistent as possible to the native vertical tabs. This theming is only based on the colors of the current Color Scheme, so configuring your sidebery in other ways is still possible (since nothing else is modified).

Sidebery Autohiding​

When using sidebery.autohide, the sidebar will push the browser content to the side when hovering. This is default behavior for an element with relative positioning. If you opt-in to disabling the vertical tab bar, then you can have it overlay browser content instead.

How to use Sidebery ONLY (with vertical tab bar disabled)​

Note

This only works with ExpandOnHover on for Vertical Tabs.

  1. Open Sidebery
  2. Enable ultima.tabs.vertical.hide to completely hide the Vertical tab bar.
    • Optional To keep the verttabbar accessible. Enable ultima.tabs.vertical.hide.in.screenedge to have them hide in screen edge.
    • Optional To keep the verttabbar accessible. Enable ultima.tabs.vertical.hide.in.screencorner to have them hide in bottom screen corner.
    • Optional Turn off ultima.sidebar.revamped.hide.when.horizontal if the revamped sidebar is still visible.

Sidebery Extension Settings​

This is for best compatibility with the theme, other configurations should work just fine but they are unaccounted for.

sidebery

Screenshot_20250507_045918

Basically a top down format works best with FF Ultima's themed Sidebery. Pinned tabs on top, and Navigation horizontal or hidden.

If you don't want to use these extension settings, you can always disabled user.theme.xtension.sidebery and theme Sidebery completely to your own preference.

Personal Configurations​

If you ever want to change the Sidebery theme, either change your Color Scheme user.theme. or turn off user.theme.xtension.sidebery to use default Sidebery (unmodified). You may be able to modify FF-Ultima's configuration in Sidebery's Style Editor too (untested).

If you scroll down to Other in the Sidebery Style Editor. FF Ultima uc variables are recognized and editable. I haven't tested these much but it was surprising to see that Sidebery can detect them.

Sidebery Style Editor

That's all