Sorry you are facing this issue, it would be my pleasure to help you.
Welcome to the Shopify community!
Thanks for your good question.
Please share your site URL,
I will check out the issue and provide you a solution here.
Please follow the steps:
- Step 1: Go to Online store > Themes > Actions > Edit code.
- Step 2: Go to Assets > theme.css and paste this at the bottom of the file: https://i.imgur.com/7tm96JA.png
max-width: none !important;