Responsive embedded youtube video

responsive_youtube.css

  .video-container {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 30px; height: 0; overflow: hidden;
  }
  .video-container iframe,
  .video-container object,
  .video-container embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  .entry-content img, .entry-content iframe, .entry-content object, .entry-content embed {
    max-width: 100%;
  }