body, html {
  height: 100%;
}

img {
  border: 0;
}

#container {
  /* height: 100%;
  width: 500px;
  margin: 0 auto auto auto;
  background-color: red;
  line-height: 500%; */
  display: table; 
  height: 100%;  
  position: relative; 
  overflow: hidden;
  width: 1000px;
  margin: auto;
}

div#container div#wrapper {
 position: absolute; 
 top: 40%;
 display: table-cell; 
 vertical-align: middle;
 margin-left: 20px;
}
 
#content {
  position: relative; 
  top: -75%;
}

img.choice {
  margin-top: 40px;
}

img.divider {
  margin-left: 10px;
  margin-right: 10px;
}