The following accounts have interacted with this PR and/or linked issues. I will continue to update these lists as activity occurs. You can also manually ask me to refresh this list by adding the props-bot label.

Core Committers: Use this line as a base for the props when committing in SVN:

Props peterwilsoncc, ramonopoly, huzaifaalmesbah, shailu25.

To understand the WordPress project's expectations around crediting contributors, please review the Contributor Attribution page in the Core Handbook.

Test using WordPress Playground

The changes in this pull request can previewed and tested using a WordPress Playground instance.

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Some things to be aware of

• All changes will be lost when closing a tab with a Playground instance.
• All changes will be lost when refreshing the page.
• A fresh instance is created each time the link below is clicked.
• Every time this pull request is updated, a new ZIP file containing all changes is created. If changes are not reflected in the Playground instance,
  it's possible that the most recent build failed, or has not completed. Check the list of workflow runs to be sure.

For more details about these limitations and more, check out the Limitations page in the WordPress Playground documentation.

Test this pull request with WordPress Playground.

1920px without PR:

1920px with PR:

2560px with PR:

The background color is now displaying correctly on wider screens.

Before	After

A commit was made that fixes the Trac ticket referenced in the description of this pull request.

SVN changeset: 61798
GitHub commit: dc4071b

This PR will be closed, but please confirm the accuracy of this and reopen if there is more work to be done.