/* Base styles */
html, body {
    height: 100%; /* Ensure the body and html elements fill the viewport height */
    margin: 0;    /* Remove default margin */
    display: flex;
    flex-direction: column;
}

body {
    font-family: Arial, sans-serif;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 1em;
    text-align: center;
}

main {
    flex: 1; /* Make the main content area grow to fill the available space */
    padding: 1em;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em;
}