/* Reset margins */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f9f9f9;
}

/* Header */
header {
    background: #1a73e8;
    color: white;
    padding: 20px;
    text-align: center;
}

/* Main content */
main {
    padding: 40px 20px;
}

/* Footer */
footer {
    background: #333;
    color: white;
    padding: 15px;
    text-align: center;
}