#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin:0;padding:0;background-image:url(/capstone-design/02/vue-router/img/back3.e94f0957.jpg);background-size:cover;background-repeat:no-repeat;background-attachment:fixed;background-position:50%;display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh}