Bundle product - How to change the quantity of Options
Broken Image & Logo in Bagisto with causes and solutions?
How to get cms page content in home page??
How to upload Bagisto from local server to live server?
How can I hide this square button?
And What is the purpose of this button?
It's the browser issue, you can check in the incognito too if it's same.
also you can remove this just by clicking over this icon.