#mario{
  position: absolute;

  width: 210px;
  height: 250px;
  background-image: url("mariorunning3.gif");
  top: 753px;
}

#container{
  position: relative;
  width: 100%;
  height: 1065px;
  overflow: hidden;
  background-image: url("background.jpg");
}
body{
  margin: 0px;
}