[Plugin: Hana Flv Player] Black bars top and bottom

I’m trying to use Hana player for mp4 files.

Works fine except for black bars.

https://fassettpropertyservices.com/vidtest

No plugins used here at all.

Any idea how to fix?

Thanks!
Evelyn

https://www.ads-software.com/extend/plugins/hana-flv-player/