@media screen and (max-width:1920px){body{background-image:url("/img/login-background-fhd.jpg");background-repeat:no-repeat;background-attachment:fixed;background-size:cover}}@media screen and (min-width:1921px){body{background-image:url("/img/login-background-4k.jpg");background-repeat:no-repeat;background-attachment:fixed;background-size:cover}}