Welcome to the Shopify community!
and Thanks for your Good question.
Please share your site URL,
So I will check and provide a solution here.
i have check this but i can't see any issue you have fix?
Thanks if possible to provide issue collection link so i will provide proper solution.
Ok Not any issue take your time if have like just inform so i will provide proper solution
sorry this image is not png
it's already white background color