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Hide header menu promos

Removes the Marketplace and Codespaces links from GitHub's top navigation bar.

Code to copy

.AppHeader [data-testid="create-menu"] a[href*="codespaces"],
.AppHeader-globalBar [aria-label*="Marketplace" i],
header a[href="/marketplace"] {
  display: none !important;
}

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's CSS panel and save — the effect appears instantly.