Universal Containers creates a Community for their end users to access invoices.

Universal Containers creates a Community for their end users to access invoices. The invoice pages are mobile of responsive and utilize rich text styling for the amounttotals in each column. Mobile access to these invoices is important. The API Enabled profile permission has been turned on to allow Salesforce mobile access to external users with Communities licenses. Which characteristic of this Community will cause display problems when accessed from an Android mobile device?