Google Docs Background Colour

I am using Google Docs to write material which I then intend to embed into Google Sites page. I noitced that in Docs you can now edit the CSS.

So I attempted to change background colour, but this was ignored. So usual googling to find out why and some hits said that you cannot do this. However I came across an article that explained you need to add the !important command to make it work.

This I did and all was fine.

The full CSS instruction was

body {
  background-color: #ccff66 !important;
}

and the the article that describes this can be found here and it is embedded into my Google Site at Kit I should have kept