[FEATURE] Improve Codebox #303

Summary

Add some margin to the "Try this code" button that currently borders the edge of the code box, making it look a bit out of place.

Motivation

Improves the design language of the website.

Detailed Description

Adding the same amount of margin as the Fullscreen/Expand button.

Screenshots/Mockups (if applicable)

Current button:

With padding:

Additional Context

No response

Existing Issues

• I have checked existing issues (open and closed) for duplicates

Alternatives Considered

No response