.header-container{
  width: 100%;
  height: 564px;
  border-left: none;
  border-right: none;
  position: relative;
}
 
.video-container{
  position: absolute;
  top: 0;
  left:0;
  height: 100%;
  width: 100%;
  overflow: hidden;
}
 
video {
  position: absolute;
  width: 100%;
}