@media only screen and (min-width:10px) and (max-width:780px) {   

#page {
  background-image: url("http://carss.columbia.edu/images/background1.jpg");
min-height: 100%;
	background-size: cover;
	background-attachment: fixed;
	background-repeat: no-repeat;
	background-position: center center;
  }




}