<style type="text/css">
html, body {
  margin:0;
  padding:0;
  width:100%;
  height:100%;
  overflow:hidden;
}

#background {
  position:absolute;
  width:100%;
  height:100%;
  z-index:1;
}

#scrollarea {
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  overflow:auto;
  z-index:2;
}

#content {
  padding:20px 50px 30px 50px;
  z-index:2;
}
      
#footer {
    position: absolute;
    bottom: 30px;
}

</style> 