Description of the problem:
When using the Dark theme and executing Move2Kube and MTA workflows, the "Recipients" section is in a separate white box from the other fields:

How reproducible: 100%

Steps to reproduce:

1. Deploy Orchestrator using Dark theme in Settings, using v 1.2.0-rc5

2. Deploy MTA or M2K workflows.

Actual results: 
The Recipients section is in a differently colored box than the other fields (issues with text not being visible opened in separate bug).

Note that when using the Light Theme, there is a distinct box surrounding this section:
 

Expected results: All sections should match.