useless space under footer

[Klubo555]

Hello everyone,

i have a problem with space under footer as you can see on picture below, which i would like to erase.

It is shown like this just on order tracking page, but on others pages it is perfectly ok.

https://four-leggedpets.com/pages/order-tracking

password: leden2021

Thanks 

Tomas 

[Pallavi]

Hello There,
Working is good

Screenshot :- https://prnt.sc/103epfj

[Klubo555]

It is appearing like this:

And I just noticed that button is almost inside footer. Where I can add margin-bottom: 30px? 

Thank you.