Make a better html-template of the List Page Types

[AKUS]

Hello, please help me to make a better template for subscription confirmation. Where I can download them? Can I use a regular email template and upload it there? I can't find clear information about customizing those templates to my own design. Please see the attached image.
Thank you.

 

[twisted1919]

Those templates are injected in the common email templates layout which you can see in backend > settings > email templates, so that's what you want to customize first.