Incorrect Font Color for Open Pull Request Button

[multiverseweb]

Code of Conduct

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What article on docs.github.com is affected?

N/A

What part(s) of the article would you like to see updated?

N/A

Additional information

Issue Description:

The font color of the 'Open Pull Request' button is set to #4493F8 instead of #FFFFFF. This button appears after clicking the 'Sync Fork' button in a repository that is behind the main branch by some commits.

Steps to Reproduce:

1. Navigate to a repository that is some commits behind the main branch.
2. Click the 'Sync Fork' button.
3. Observe the 'Open Pull Request' button.

Screenshot of the same:

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