Yes that's it !!!

The key was to make "hs.outlineType = 'rounded-white';" able. Thats change even the margin to what I want!

Thank you so much for your outstanding support. You help me a lot.
All best for you ... Maik

Thank you Hilde for your incredible fast answer. Yes ... now it works. As you allready mentioned, the gallery is different. I could change it into my version, but unfortunatly not completly. I don't know how to get access to the margin of the image and the thumbstrip inside the gallery. This is the ...

Hello, I desperatly try to put single images and 3 galleries into one side. I'm able to put 3 galleries in one side, each with its own thumb. That works. And I'm able to put single images, each one poping up in a windows, plus one gallery in a side. This works too. But when I add than a second galle...