Hi,I noticed the section you want to customize. It seems like a slider. But, I need access to the theme code and customizable. If you are not a developer, even though i provide you the code snippet, you won't be able to integrate it correctly that ma...

We need to put the image and the text contents in a common `div`. Then, the image text contents should be `position: absolute` and position it as required. Here is an example code with your provided image -  <div class="card" style="position: relativ...

Yes, of course you can changes the text and design in the subscription confirmation page. You will require knowledge of Shopify theme development (HTML, CSS and Liquid).Please share more details about the changes, I can assist you. Thanks.

The gif logo is not transparent at all. It a square shaped image that provide of sense of border here.Please have a look at it if we put red background in the header, it looks like this - Let me know if you need any help further.