Centreon MAP – Add a border to Centreon Hosts (Geometric) for more visibility

Hello, 

Centreon hosts with the Geometric style are not very visible when positioned in front of a dark element.

I tried to add a border manually, however it seems that the host elements with the Geometric style are not square.

Would it be possible to add a border to the host element with the Geometric style or make it square ?

THANKS