form { max-width: 600px; margin: 20px auto; padding: 20px; } mat-form-field { width: 100%; margin-bottom: 20px; } pre { background-color: #eceff1; padding: 15px; border-radius: 4px; white-space: pre-wrap; word-wrap: break-word; font-size: 0.9rem; color: #333; } mat-dialog-actions { margin-top: 20px; display: flex; justify-content: flex-end; } button { margin-left: 10px; } button[type="submit"] { background-color: #3f51b5; color: #fff; } button[type="submit"]:disabled { background-color: #c5cae9; } h2 { margin-bottom: 20px; font-size: 1.5rem; color: #000000; text-align: center; } h3 { margin-top: 30px; font-size: 1.2rem; color: #000000; }