.youtubeFix > div, .youtubeFix iframe  {
  width:100% !important;
  height:100% !important;
  position: absolute !important;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
}

.iframeContainer {
  position: relative;
  padding-bottom: 52.25%;
}

.iframeContainer iframe {
  width: 100% !important;
  height: 100% !important;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
}