#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}button{padding:10px 20px;font-size:16px;cursor:pointer;background-color:#4caf50;color:#fff;border:none;border-radius:4px}button:hover{background-color:#45a049}.execute-btn{background-color:#ff5722;color:#fff;font-weight:700}.execute-btn:hover{background-color:#e64a19}nav{padding:30px}nav a{font-weight:700;color:#2c3e50}nav a.router-link-exact-active{color:#42b983}