Embedded mp4 not scaling to the specified size

Using Video.js Video player in the plugin’s settings.

With the following shortcode in a text widget, when the play button is pressed actual video appears small.

[KGVID poster=”https://coronacapitalgroup.com/test/wp-content/uploads/2013/10/sell_structured_settlement_annuity.jpg” width=”350″ height=”250″]https://coronacapitalgroup.com/test/wp-content/uploads/2013/10/sell_structured_settlement_annuity_process.mp4[/KGVID]

Screenshot of the problem: https://i.imgur.com/q9gjHyN.png

Webpage in question: https://coronacapitalgroup.com/test/ (any of the 3 videos in the blue horizontal section in the middle area of homepage)

Please advise.

https://www.ads-software.com/plugins/video-embed-thumbnail-generator/