#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:20px}#nav{padding:30px}#nav a{font-weight:700;color:#2c3e50}#nav a.router-link-exact-active{color:#42b983}body,html{font-family:Helvetica Neue,Helvetica,Arial,sans-serif}.btn-link,a{color:#0366d6}.btn-primary{color:#fff;background-color:#1b6ec2;border-color:#1861ac}app{position:relative;display:flex;flex-direction:column}.center-text{text-align:center}.mx-6{margin-left:6px;margin-right:6px}.mr-4{margin-right:4px}.card-set{background-color:#84d6ba;margin:10px;padding:5px}