Multiple Content Blocks with the same color

Hi there,

I want to make my sites content more readable and therefore add a colored background around certain sections of my page.

In this case, my goal is to have a blue background that goes all the way from left to right of the screen (The rest of the content should stay as it is). Also, I want to combine multiple blocks with this blue color.

So basically the section I want to create is a content block which a blue background that goes all the way from left to right and doesn't have grey/white areas between those blocks.

I have experimented a bit with css but couldnt find a solution.

Can you offer me some help please?

Thanks a ton and cheers

Björn