#app,body,html{height:100%;background:#f0f2f5}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.flex{display:flex}.left{float:left}.right{float:right}.j-s{justify-content:space-between}.a-c{align-items:center}