Thank you for reaching out to the community!
The Third Generation Editor has been optimized to display correctly on all devices at its current size. If this was to be changed the template would no longer work properly. To answer your question, no, the template will need to stay at its current size. You are welcome to submit a ticket to our design team to create a special template just for you. Click here to start the professional design process.
Please let us know if there is anything else we can do for you.