With the WooGallery plugin you can customize the Self-Hosted video player style as you want. You can change the color of the fonts, video progress bar, etc. Follow the steps below to do it: 

1. From your WordPress Dashboard Menu, navigate to WooGallery > Shop Page Video. 

2. Scroll down a bit and you will find the option Self-hosted Video Player Style. 

3. Select Custom and a few more options will appear at the bottom.

4. Change the colors from the options to style the video player as you want.