body{width:100vw;height:100vh;margin:0;overflow-x:hidden}#login{flex-direction:column;display:flex}.container{justify-content:center;height:100%;display:flex}.container2{flex-direction:column;justify-content:center;display:flex}.row{margin:10px;display:flex}label{width:70px;margin-right:10px;font-weight:bolder}input[type=text],input[type=password]{flex:1}.hide{display:none!important}#send{width:100%}#demo{flex:1;display:flex}aside{width:30%}#video{max-width:100%}