app.css

body {
 background-color: #fbfbfc;
 font-family: D.Gotham, sans-serif;
}

h1 {
 font-size: 2rem;
 font-weight: bold;
 margin: 1rem 0;
}

.btn {
 cursor: pointer;
 background-color: #3B82F6;
 color: #fff;
 padding: 0.5rem 1rem;
 border: none;
 border-radius: 0.25rem;
 margin-left: auto;
}

.btn-green {
 background-color: #10B981;
}