How can I remove the gap on mobile

Hello,

That code is set in the theme files and can be rewritten using this code, select the port view on the phone, select the content zone and set the margin-left and right to -20 and set this code in width
calc(100% + 40px)

=> https://www.screencast.com/t/Ek89ppzTGldT You can use this method for both (mobile responsive version or mobile page)

Hope this helps you!

Thank you!