.video-container {
  margin-bottom: 30px;
}
.video-container video {
  width: 100%;
}
.video-container.youtube {
  padding-bottom: 56.75%;
  position: relative;
  margin-bottom: 30px;
} 

.video-container.youtube iframe {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;