#content{
  position: absolute;
  top: 0px; bottom: 0px;
  left: 0px; right: 0px;
  margin: auto;
  width: 550px; height: 600px;
}

#function{
  position: absolute;
  top: -20px; left: 50px;
  width: 320px;
  font-size: 20px;
  font-weight: 200;
  text-align: center;
  color: #4d4d4d;
}

/* iphone display */
#display{
  position: absolute;
  top: 0px; bottom: 0px; left: 50px;
  margin: auto;
  width: 320px; height: 568px;
  box-shadow: 0px 0px 5px black;
}

img#background{
  position:absolute;
  width: 100%; height: 100%;
}

#statusbar{
  position: relative;
  width: 100%; height: 20px;
  background-color: white;
  opacity: 0;
}

#dock{
  position: absolute;
  bottom: 0px;
  width: 100%; height: 95px;
  background-color: white;
  opacity: 0;
}

#body_margin{
  position: relative;
  width: 100%; height: 548px;
}

#body{
  position: relative;
  width: 100%; height: 548px;
}

/* operation board */

#operation{
  position: absolute;
  top: 0px; bottom: 0px; right: 0px;
  margin: auto;
  width: 160px; height: 568px;
}