Service Portal opening from New Agent mobile app does not apply custom CSS in the header barDescriptionThe CSS in the Stock Header that tries to set the background-color for .navbar-inverse.is-native does not work. The header background-color, if set with custom CSS, does not persist past the portal homepage.Steps to Reproduce 1. On a mobile device open the ServiceNow new Agent mobile app.2. Access the portal through the navigation menu.3. Notice the portal header does not consider the CSS code present.WorkaroundThere is no workaround. There is a new feature in the Orlando release that allows a customer to apply a custom color theme to the mobile apps. The feature is described here: https://docs.servicenow.com/csh?topicname=sg-setup-mobile-admin.html&version=latestRelated Problem: PRB1358014