Font size conflict fixed

[rinkalpagdar]

Fix #67133

What?

It will fix the social link's font size conflict with theme.json default changes

Screenshots or screencast

[github-actions]

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.

Unlinked Accounts

The following contributors have not linked their GitHub and WordPress.org accounts: @CallMarl.

Contributors, please read how to link your accounts to ensure your work is properly credited in WordPress releases.

If you're merging code through a pull request on GitHub, copy and paste the following into the bottom of the merge commit message.

Unlinked contributors: CallMarl.

Co-authored-by: rinkalpagdar <rinkalpagdar@git.wordpress.org>
Co-authored-by: carolinan <poena@git.wordpress.org>

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