See https://bugzilla.mozilla.org/show_bug.cgi?id=1707190#c5. The new warning icon (introduced in Bug 1707190) needs a different margin value for the badge on windows and linux. It looks okay on mac
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See https://bugzilla.mozilla.org/show_bug.cgi?id=1707190#c5. The new warning icon (introduced in Bug 1707190) needs a different margin value for the badge on windows and linux. It relies on the rules for `.toolbarbutton-badge` Note, in that bug we already handled the mac case