Is it possible to change format of the hyperblock expand/collapse icon on the web?

unknown

Hello, 

This is how the hyperblock expand/collapse icon looks like in v11 in webservices:

And in v12:

As you can see, it is much less visible. Is it possible to change it somehow?

zsolt-pinter

Hi Lukas,

Did you find a solution for this?

Thanks, Zsolt