html, body {
    background: #999999;
    height: 100%;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

body {
  color: #999999;
  
}

#content {
  width: 100%;
  height: 100%;
  xmax-width: 600px;
  text-align: center;
}

#helper {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 80%;
    z-index: 10;
    background: url('viewer.png') no-repeat center center;
    background-size: contain;
    z-index: 1000;  
}

.frame {
    box-sizing: border-box;
    margin: 10px;
    xheight: 100%;
    xoverflow: hidden;
    zoom: 1;
}

.frame > img {
    background: #FFF;
    max-width: 100%;
    xheight: 100%;
    box-shadow: 0 0 10px #333;
}

#controls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    margin-left: -140px;
    width: 280px;
    z-index: 10;
    background: rgba(0,0,0,0.7);
    border-radius: 3px;
}

#controls button {
    background: none;
    border: none;
    color: #FFF !important;
    font-size: 12pt;
    margin: 0;
    padding: 10px 15px;
}

#controls button:hover { color: #333; }

#data {
  position: fixed;
  bottom: 0;
  list-style: none;
  display: inline-block;
  padding: 0;
  margin: 0;
  display: none;
}

#data .column {
  display: inline-block;
  margin: 0 15px;
}

#data li {
  margin-bottom: 10px;
  font-weight: bold;
  text-align: left;
}

#data span {
  display: inline-block;
  font-weight: normal;
}