#centeredstuff {position:relative;
width:1024px;
  margin-left: auto ;
  margin-right: auto ;
  background: blue;
}

#bgimage{position:absolute;
width:1024px;
height: 819px;
}

#video {position:absolute;
width: 512px;
height: 384px;
left:256px;
top:82px;
}