change mx-layoutcontainer-middle only for one page

1
I want to know how to go about changing mx-layoutcontainer-middle only for one page, i.e. to make it transparent for one page and give it a background for others, for example:
asked
1 answers
1

Add a custom css class to that page and combine that in the selector in the css file.

.mx-layoutcontainter-middle .my-custom-class  {
}
answered