Post page problem

I have my sidebar on my home page (what I want) but I do not want it on the post pages.

If you look at the bottom of my ‘post’ pages you will see the sidebar there.
[ redundant link removed ]
I contacted the theme forum and this was there reply:

Thanks for using Dynamic News.
Right now the theme does not have a full width template for posts. You can only hide the sidebar with CSS and set the width of the content area to 100%:
.single-post #content {
width: 100%;
}
.single-post #sidebar{
display: none;
}

I added this code to the CSS but it has not got rid of the sidebar at the bottom of my ‘post’ pages.

Can anyone please help me?
Thank you.

• This topic was modified 5 years, 9 months ago by Jan Dembowski.

The page I need help with: [log in to see the link]