## Steps to reproduce 1. Customize the toolbar to place an item just after the firefox view toolbar item. 2. Open a private window. ## Result No separator is drawn between the toolbar item and the tabs. ## Expect Separator to be drawn. ## Cause The [CSS selector for this rule](https://searchfox.org/mozilla-central/rev/04a47c08504e6357a3164163dd19a47754521204/browser/themes/shared/tabbrowser/tabs.css#946) uses `+` rather than `~`.
Bug 1917595 Comment 0 Edit History
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## Steps to reproduce 1. Customize the toolbar to place an item just before the firefox view toolbar item. 2. Open a private window. ## Result No separator is drawn between the toolbar item and the tabs. ## Expect Separator to be drawn. ## Cause The [CSS selector for this rule](https://searchfox.org/mozilla-central/rev/04a47c08504e6357a3164163dd19a47754521204/browser/themes/shared/tabbrowser/tabs.css#946) uses `+` rather than `~`.