Bug 1971941 - Fix tabs-hidden usage for navbar separator. r=desktop-theme-reviewers,dao

emilio · emilio · commit bc26fd004257 · 2025-06-30T11:08:08.000Z
tabs-hidden is set on the toolbox. Differential Revision: https://phabricator.services.mozilla.com/D255411
diff --git a/browser/themes/shared/browser-shared.css b/browser/themes/shared/browser-shared.css
@@ -425,7 +425,7 @@ body {
   position: relative;
   border-top: 0.01px var(--tabs-navbar-separator-style) var(--tabs-navbar-separator-color);
 
-  &[tabs-hidden] {
+  #navigator-toolbox[tabs-hidden] > & {
     border-top-style: none;
   }
 

Original file line number	Diff line number	Diff line change
`@@ -425,7 +425,7 @@ body {`
`425`	`425`	`position: relative;`
`426`	`426`	`border-top: 0.01px var(--tabs-navbar-separator-style) var(--tabs-navbar-separator-color);`
`427`	`427`
`428`		`- &[tabs-hidden] {`
	`428`	`+ #navigator-toolbox[tabs-hidden] > & {`
`429`	`429`	`border-top-style: none;`
`430`	`430`	`}`
`431`	`431`