Where I can edit the email notifications logo, design, colors and layout?

In order to edit the email subject, logo, design, colors and layout, please follow the instructions below: 

Steps:

From your Shopify admin, go to Apps and select Wholesale All In One application

- Select the Manage Customers option

- Select the Email Template tab from the left side bar.
- Click the Edit button to modify desired template.

- You can edit the Subject or Body for the email template.
- Press Save button after email template modification.

That's All.