/* General Body Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

/* Header and Navigation Styles */
header {
    background-color: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

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

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2rem;
    padding: 5px 10px;
    transition: background-color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: #555;
    border-radius: 5px;
}

/* Main Content Styles */
main {
    padding: 20px;
    min-height: 80vh;
}