Background image not displaying correctly only on one page

Hi All,

I bought a commercial theme (flyingdreams from TemplateSold).

I am in the process of customising it, I am adjusting the layout to the way I want it and will then add my own custom graphics. One of the page types is not displaying correctly and I was wondering if anyone had any suggestions about where I could look in the template files to find this. I think this is a general wordpress type question so I am posting it here. I have posted some screen captures below to show you what I mean.

The landing page which shows abbreviated versions of each post on your site displays correctly:
Landing Page
You can see the background behind the main columns of text.

General Pages also display alright:
Example Page

But when you click on an individual post to read the full version of it the background is white down the lower half of the screen.
Example of Post

Also note how the WordPress Admin bar up the top of the screen of the other pages is there, but on this page it is missing, leaving a white bar across the top of the page.

I am reasonably familiar with HTML and CSS but I can not for the life of me find where these “Post” pages are coded in a WordPress template, or where the WordPress Admin Bar is coded for.

Can anyone suggest some places that I might look to try to fix this?

Many thanks in advance,
Haydn