.app{font-family:Avenir,Helvetica,Arial,sans-serif;text-align:center;color:#2c3e50;position:absolute;inset:0;padding:10px;overflow:auto}nav{display:flex;justify-content:center;gap:15px;margin-bottom:10px}nav a{color:#2c3e50;text-decoration:none;padding:10px 20px;border:1px solid #2c3e50;border-radius:4px}nav a.router-link-exact-active{color:#fff;background:#2c3e50}input,textarea{box-sizing:border-box}