#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50}body{margin:0;padding:0}.fl{float:left}.flex{display:flex}.flex-row{flex-direction:row}.flex-align-middle{align-items:center}.flex-grow{flex-grow:1}.flex-lock{flex-grow:0}.text-center{text-align:center}.mt-3{margin-top:3px}