A margin right appeared on mobile

Hi,

In this URL: https://www.fado.club

I was trying to add some wp show post list.

AFter trying some, a margin-right was added on the mobile view, as you can see on this picture:

https://1drv.ms/u/s!Ak_9EySA0r6ngaIf-EEvz-DLsrm6gQ?e=VsQgFk

I don't know what can I do in order to remove it. I have already refreshed cache!

Can you help me please?

Thanks in advance,
Ricardo