#aspect_ratio iframe {
  border: "none";
  position:absolute;
  width: 100%;
  height: 100%;
  max-width: 480px;
  max-height: 300px;
  left: 0; top: 0;
}

#aspect_ratio {
  position: relative;
  width: 100%;
  height: auto;
  padding-bottom: 60%;
}

.container {
	max-height: 320px;
}