.router-container{width:100%;height:100%;background-color:#fbfcfe;padding:20px}.alert-bar{z-index:1000;position:absolute;left:0;right:0;top:60px;margin:auto;width:-webkit-fit-content;width:-moz-fit-content;width:fit-content}.nav-version{padding:20px 40px;text-align:center}