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Note that the MediaPlayer and the content are absolutely positioned and using z-index the content is placed over the MediaPlayer. That way it is not possible to use the pause/play button that is inside the player, but I just set a lower height of the content compared to the player so it is possible to use the buttons on the bottom.
Of course, you can decide to configure the player in a different way. With that example I am just showing how to put content over the video.