.media_embed {
  position: relative;
  padding-top: calc(56.25% + 60px);
  width: 100%; }
  @media (min-width: 768px) {
    .media_embed {
      padding-top: 341px;
      width: 500px; } }
  .media_embed iframe {
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%; }