First: I'm german and i have a bad english speaking - sorry for that. Google helps me to translate...

I'm developing my first Joomla site with your great J51 nocturne template. I used a local LEMP installation.
Later, using the add-on "Akeeba backup" I was able to successfully upload the site to my hoster. But now there is a problem with the layout.
I use the S-C-S layout. But online "contenttop-a" is under "sidecol-a" and "sidecol-b" (see Screenshot_online.jpg). Not between "sidecol-a" and "sidecol-b" as it would be correct (see Screenshot_local.jpg).
The local installation does not have this error, and I do not know what happened. Can you help me to analyze this problem?
The site is "kb.lobetal.de" and is still in development.
Thank you!
Joomla version is 3.3.3