Can't change background colour

I liked the look of this theme so downloaded it, with a view to going Premium.

However, after working my way through it, I’ve found that the background colour can’t be changed, and I seem to be stuck with a salmon pink colour in the bottom half of the home page.

In other themes, I simply used ‘Theme Options’ to change the colour, but for some reason ‘Theme Options’ doesn’t exist under the ‘Appearance’ menu, even though that is mentioned as an option in the advertising. So don’t know why it isn’t there?

I also tried clicking on the ‘Background’ option under ‘Appearance’ and tried to change the colour option that way. Though I could select a different colour, and could save it, it didn’t actually change anything at all. Very frustrating.

I appreciate that some people will say to just add some CSS, but really this should just work properly, and do what it says on the tin.

Can other users, WordPress or the Developer give me any advice please as to what’s going on, and how to solve these issues? Am I missing anything?

Thanks in anticipation…