body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #ffffff;
    color: #333333;
}

header {
    text-align: center;
}

h1 {
    font-size: 28px;
}

/* Highlights the active link with a distinct background and text color */
.active {
  font-weight: bold;
  text-decoration: underline;
}

nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
}

nav a {
    text-decoration: none;
    color: #1b4d3e;
}

main {
    max-width: 600px;
    margin: auto;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    font-size: 0.9rem;
    color: #666;
    border-top: 1px solid #ddd;
}