Add class to subcompany banner

- Apply new banner style

Fix for https://github.com/Rise-Vision/common-header/issues/385, https://github.com/Rise-Vision/common-header/issues/384
Related to https://github.com/Rise-Vision/common-style/pull/93
Merge pull request #387 from settinghead/fix/lighter-background-for-subcompany-banner

Add class to subcompany banner