@media all and (min-width:748px){.um-login-bg{position:absolute;width:100vw;height:100vh;top:0;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);background:no-repeat center -154px url(/i/usermanagment/um-city-bg.jpg);background-size:1404px auto;z-index:0}}@media all and (min-width:1231px){.um-login-bg{background-size:1920px auto}}@media all and (min-width:1919px){.um-login-bg{background-position-y:10%;background-size:100% auto}}