#banner-background {  background-image:url(https://cdn2.webdamdb.com/1280_rBWCg2u2fauG.jpg?1481743328);  }  @media only screen and (max-width: 1199px) {   #banner-background {  background-image:url(https://cdn2.webdamdb.com/1280_C5pGJ89nM2PL.jpg?1481743329);  }  }  @media only screen and (max-width: 767px) {   #banner-background {  background-image:url(https://cdn2.webdamdb.com/1280_0y6cwNfdLne4.jpg?1481743323);  }  }