#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c3e50;font-size:12px;color:#666}body{margin:0;padding:0}#nav{text-align:center}#nav a{font-weight:700}a{text-decoration:none}main{height:calc(100% - 20px)}