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fix(theme): techdocs addon subheader bg-color #1703

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Merged
merged 1 commit into from
Nov 5, 2025
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fix(theme): techdocs addon subheader bg-color #1703

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5 changes: 5 additions & 0 deletions workspaces/theme/.changeset/big-stingrays-heal.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'@red-hat-developer-hub/backstage-plugin-theme': patch
---

Scope TechDocs subheader toolbar to use `background.paper`, fixing the gray strip under the page header. Adds a `MuiCssBaseline` rule targeting `[class*="BackstageHeader-header-"] + [class*="MuiToolbar-root"]` so other toolbars remain unaffected.
3 changes: 3 additions & 0 deletions workspaces/theme/plugins/theme/src/utils/createComponents.ts
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Expand Up @@ -88,6 +88,9 @@ export const createComponents = (themeConfig: ThemeConfig): Components => {
'pre, code': {
fontFamily: redHatFonts.monospace,
},
"[class*='BackstagePage-root-'] > [class*='MuiToolbar-root']": {
backgroundColor: theme.palette.background.paper,
},
};
},
};
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