#banner-background {  background-image:url(https://cdn2.webdamdb.com/1280_0lmPYL7FLX35.jpg?1481751796);  }  @media only screen and (max-width: 1199px) {   #banner-background {  background-image:url(https://cdn2.webdamdb.com/1280_0WEabHx9gRsd.jpg?1481751644);  }  }  @media only screen and (max-width: 767px) {   #banner-background {  background-image:url(https://cdn2.webdamdb.com/1280_iUOCBM6eFc7r.jpg?1486577417);  }  }