.sat-container { max-width: 800px; margin: 20px auto; padding: 20px; background: #f9f9f9; border-radius: 8px; font-family: sans-serif; }
fieldset { border: 1px solid #ccc; padding: 10px; margin-bottom: 20px; }
legend { font-weight: bold; }
label { display: block; margin-top: 10px; }