Removing youtube embed icons and placing overlay

please i need assistance. how can i remove the embed youtube icons from the video and also place the overlay behind the navbar so it does not affect the nav-bar

Information for:

Can be found here:

Stack overflow is a great resource. I think your other issue may be related to not top-padding the <body> for Bootstrap style nav bars I think it wanted 40px for the typical bar.
Hope this helps.