html{
 height:100%;
}

html,body { margin: 0px; padding: 0px; min-height:100%; }

body {
  background-image: url("/images/us2-drop.jpg");
  background-repeat: no-repeat;
  background-attachment: fixed;
  -webkit-background-size: 100%; 
  -moz-background-size: 100%; 
  -o-background-size: 100%; 
  background-size: 100%;
  -webkit-background-size: cover; 
  -moz-background-size: cover; 
  -o-background-size: cover; 
  background-size: cover;
}

@media only screen and (min-device-width : 320px) and (max-device-width : 480px) {
  body {
    background-image:url('/images/us2-drop.jpg');
    background-position: center center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    height: 100%; 
    overflow: hidden;
  }
}

#vid-container {
  padding-bottom: 56.25%; /* 16:9 */
  padding-top: 25px;
  margin-top: 0px;
  margin-right: auto;
  margin-bottom: 0px;
  margin-left: auto;
  width: 100%;
  height:100%;
}

.center {
  background: #000;
  position: absolute;
  max-width: 640px;
  max-height: 360px;
  width: 100%;
  height:100%;
  left: 50%;
  top: 40%;
  transform: translate(-50%, -40%);
  -moz-box-shadow: -20px 20px 20px rgba(0,0,0,0.7);
  -webkit-box-shadow: -20px 20px 20px rgba(0,0,0,0.7);
  box-shadow:-15px 20px 20px rgba(0,0,0,0.5);
}