I don’t quite understand “the text part is in the middle”. Do you like something like this:
I can turn that into a template for you real quick 
or go here https://reallygoodemails.com/ type simple in the search box, and choose whatever you want, send a link of the one you like, and I’ll try to adjust it to a mautic email theme.
Edit: or you can just copy the code into mautic code mode