body { font-family: sans-serif; } #firebaseui-auth-container { max-width: 320px; margin: 2rem auto; } .hidden { display: none !important; } #loading-indicator { text-align: center; margin: 2rem; font-style: italic; } .message-container { max-width: 320px; margin: 1rem auto; padding: .5rem; border-radius: 4px; text-align: center; } .message-container.error { background: #f8d7da; color: #721c24; } .message-container.success { background: #d4edda; color: #155724; }