Email Template Coding for Outlook and Gmail

I need an existing email marketing design coded to work flawlessly in Outlook and Gmail. The coded email should match my provided template exactly.

Requirements:
- The template is already in code format.
- Must include interactive elements such as buttons.
- Buttons should be configured to send an email when clicked.

Ideal Skills:
- Proficiency in HTML/CSS
- Experience with email template design
- Knowledge of email client compatibility, especially Outlook and Gmail

Please ensure the final product can be easily tested in Visual Studio Code and copied into Outlook and Gmail without any issues.