#main .hope-top .mobile-image {
  background-image: url(https://www.mayoclinic.org/~/media/176F72AC42AD4F90B7661D480EFA90C5.jpg);
}
@media screen and (min-width: 768px) {
  #main .hope-top {
    background-image: url(https://www.mayoclinic.org/~/media/8326918611564EE69AE1D702B32E47C8.jpg);
  }
}