.video-responsive { 
  overflow:hidden; 
  padding-bottom:56.25%; 
  position:relative; 
  height:0;
}

.video-responsive iframe {
  left:0; 
  top:0; 
  height:100%;
  width:100%;
  position:absolute;
}

.video-responsive video {
  left:0; 
  top:0; 
  height:100%;
  width:100%;
  position:absolute;
}

label.error {
  color: #a94442;
  background-color: #f2dede;
  border-color: #ebccd1;
  padding:1px 20px 1px 20px;
}

.remarque { display:none; }