.form-field { margin-bottom: 20px; } .form-field label { display: block; margin-bottom: 8px; font-weight: 600; } .form-field input { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 4px; font-size: 16px; } .form-field input.error { border-color: #d32f2f; } .btn { width: 100%; padding: 14px; background-color: #000; color: #fff; border: none