@media (max-width: 600px) {
	.container-video {
		border-bottom: 5px solid #FFF;
		position: relative;
		overflow: hidden;
		width: 100%;
		padding-top: 56.25%; /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
	}
}
@media (min-width: 601px) {
	.container-video {
		border: 5px solid #FFF;
		position: relative;
		overflow: hidden;
		width: 50%;
		padding-top: 28.12%; /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
	}
}

/* Then style the iframe to fit in the container div with full height and width */
.responsive-iframe {
  position: absolute;
  margin: 5px;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
}