const ErrorAlert = styled.div` padding: 15px; background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; border-radius: 4px; margin-bottom: 20px; font-weight: bold; :before { content: "⚠ "; /* This is a warning sign, but you can use any suitable symbol. */ } `; return <ErrorAlert />;