Other Theme Settings

Theme settings are accessible via the about:config page. Type ultima or user.theme to get started.

• Looking for color scheme settings? ->
• Looking for transparent theming? ->
• Looking for adaptive tab color? ->

Other Settings (that may be hard to find)

Custom Wallpapers

• user.theme.wallpaper settings allow you to force a specific wallpaper for the new tab page. try to use only one.

user.theme.xtension.swap.addon.colors

Use user.theme.xtension.swap.addon.colors to swap add-on theme colors.

ultima.spacing.compact

• Removes borders, rounding, shrinks tabs by a tiny percentage

ultima.spacing.relaxed

• More "comfy" spacing between browser content, goes well with Side View extensions and Ultra-Wide displays

ultima.spacing.compact.menus

• for a more compact menu panel / extension panel

ultima.spacing.compact.contextmenu ➕ ultima.spacing.relaxed.contextmenu

• Spacing of context menu items
• Mac OS needs to use firefoxes gtk context menu widget.macos.native-context-menus
• Mac OS Users should use the gtk context menu, because it matches FF Ultimas theme.

ultima.xstyle.newtab.rounded

• MAKE ELEMENTS ON THE NEW TAB PAGE MORE ROUND

ultima.xstyle.private

• Private Window Home Page: Strong purple background removed, text removed. Less is more sometimes.

ultima.spacing.compact.addonmanager

• Makes the addon manager & themes page a compact grid layout

ultima.disable.contextmenu.icons ➕ ultima.disable.contextmenu.icons.all

• to disable the icons in context menus

Useful Settings (You may want to know about)

• browser.tabs.groups.enabled to use the new tab grouping feature, categorize, seperate and collapse tabs in groups!
• toolkit.tabbox.switchByScrolling to switch between tabs via scrollwheel
• browser.newtabpage.activity-stream.newtabWallpapers.v2.enabled to set more custom New Tab Page wallpapers
• browser.tabs.hoverPreview.enabled view an image preview of a hovered tab
• browser.newtabpage.activity-stream.improvesearch.handoffToAwesomebar to disable the New Tab Page search bar