I have a standard template for one of my sites which i am developing, this template is one standard page with a removable left side bar.
This is the page:

However as the user scrolls to the bottom:

I’ve used a border so you can see the bottom of the page.
I cannot seem to find the class that is causing this or not fixing this if you see what I mean.
This is a link to the site:
https://accounts.dpwebdev.co.uk/dashboard/
Any Ideas would be gratefully received.
Thanks
Between
maincontainerandcboxOverlayyou have some spaces.Just remove them.
Or you can add