#background {
  background: url(https://www.hispanotv.us/p/banner6.png);
  background-position: center;
  background-size: cover;
  height: 100px; width: 100%;
}

@media (min-width: 480px) {
    #background { height: 200px; }
}

@media (min-width: 768px) {
    #background { height: 150px; }
}

@media (min-width: 992px) {
    #background { height: 100px; }
}