The7 Theme from Dream-Theme: Aspect Ratio of Video Element working in WP?

Envato Customers Web and Code
1

New to the group and was led to this forum from the Dream-Theme forum (using The7 theme).
When adding Video element in WordPress using The7 theme, all aspect ratio sizes (16:9, 4:3, 3:2) preview the same. Is this a bug, or how do I adjust?