Your finished player will look like this:
Put this into your css:
.video-responsive{
overflow:hidden;
padding-bottom:56.25%;
position:relative;
height:0;
}
.video-responsive iframe{
left:0;
top:0;
height:100%;
width:100%;
position:absolute;
}
Put this into your page:
<div class="video-responsive"><iframe scrolling="no" src="https://s3.amazonaws.com/players.virtualevent.center/200423-nagb/player-embed.html" frameborder="0" allowfullscreen="allowfullscreen"></iframe></div>