.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background: #0d6efd; /*#007bff*/
    color: white;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}