Bug report

In some of the SASS themes when a file is uploaded, 'Cancel' and 'Upload' buttons are not marked as focused when navigating through Tab key

Reproduction of the problem

1. Open the Upload Overview Demo
2. Select one of the following themes - Fiori, Flat, Metro, Metro Black, Nova, Office 365
3. Upload a file
4. Navigate by using the Tab key

Current behavior

The 'Upload' and 'Cancel' buttons are not styled as focused

Expected/desired behavior

The 'Upload' and 'Cancel' buttons should be styled as focused

Environment

• Kendo UI version: 2020.2.617
• Browser: [all]