Strange Bootstrap Behavoir For Header After Update J3 to J4

Hi there,
I have recently updated my site from J3 to J4. I have a strange behavior of the Logo and Menu. The both have 100% with now. Looking like this:

To Page

I have checked the inspector and it seems that the system does not recognize the bootstrap colums col-md, col-sm....

https://imgur.com/a/zGJEwAh

Its always 100% with. Of course I have checked layout settings in Helix Ultimate - looking like this:

https://imgur.com/a/dXMgX8d

Can you help me out fixing this?
kweb