Installed a theme and the blog is at the bottom of the page

Hi
Can anyone help? I am fairly new to wordpress and have just installed a theme called dt-chocolate. I know how to add pages and photo’s/portfolio’s but when i come to create a blog or a static page the information moves down to the bottom of the page leaving the top completly blank. How do i move the information back to the top of the page, does anyone know? You can check it out at
https://www.rayrobinson.co.uk/?page_id=18
if you are unsure what i mean.

Hope someone can help please

Thanks Rachel