:root {
    --primary-color: #333;          /* Black */
    --secondary-color: #e5e4e2;     /* Platinum */
    --accent-color: #000080;        /* Deep Navy Blue */
    --background-color: #fffff0;    /* Ivory */
}
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: white;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

section {
    padding: 20px;
    margin: 20px auto;
    max-width: 800px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #333;
    color: white;
    position: absolute;
    width: 100%;
    bottom: 0;
}