How do I get rid of lines in between sections?

[ERA670]

Here's what it looks like in the editor:

And here's what the live version looks like:

There is a line invisible inside the editor (it is not a divider) which is only visible in the actual live website. How do I remove it?

[Adam7]

Can you try publishing your site again, @ERA670? It's possible that might remove that line for you. The other lines on your page are horizontal line elements, but the one in your screenshot isn't present in the editor.