My Jetpack: improve My Jetpack link styles

[retrofox]

My Jetpack: improve My Jetpack link styles

Fixes #23006

Changes proposed in this Pull Request:

• My Jetpack: improve My Jetpack link styles

Jetpack product discussion

Does this pull request change what data or activity we track or use?

Testing instructions:

• Go to My Jetpack overview
• Check the styles when hovering the links

Screen.Recording.2022-02-21.at.4.00.03.PM.mov

[github-actions]

Thank you for your PR!

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[renatoagds]

LGTM