/* id starts with "innovplayeryoutube" and ends with "player" */
div[id^="innovplayeryoutube"][id$="player"] {
  position:relative;
  padding-bottom:56.25%;
  height:0;
  overflow:hidden;
}

/* id starts with "innovplayeryoutube" and ends with "player" */
div[id^="innovplayeryoutube"][id$="player"] iframe, div[id^="innovplayeryoutube"][id$="player"] object, div[id^="innovplayeryoutube"][id$="player"] embed{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
}