Creating Shopify Email Template

Hello, I need an expert in HTML & CSS to develop 2 e-mail template for my e-commerce website. Basically it's something very simple. The email will be must like the template I send to you, exactly the same (then I'll modify image/description and all only). I want the work will be done in very professional way, using everything ned to be used for beautiful, optimized and well structured email (not only from eyes-side). also, I want the result will be exactly the same as the reference I send to you, same spacing, same template, same image too. The versione need to be editable in the way I can manage by myself after we have created the template.