/* General styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #e0e0e0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

header {
    background-color: #1f1f1f;
    color: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    width: 100%;
}

header h1 {
    margin: 0;
}

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

nav ul li {
    margin: 5px 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: background 0.3s;
}

nav ul li a:hover {
    background: #007BFF;
}

main {
    padding: 20px;
    max-width: 800px;
    width: 100%;
}

section {
    margin-bottom: 10px;
}

h2 {
    font-size: 1.2em;
    margin: 0;
    padding: 10px;
    background-color: #1f1f1f;
    color: white;
    cursor: pointer;
    border-bottom: 1px solid #007BFF;
    border-radius: 5px;
    transition: background 0.3s;
    text-align: center;
}

h2:hover {
    background-color: #007BFF;
}

ul {
    list-style: none;
    padding: 0;
    display: none; /* Hide the list by default */
    margin: 0;
    background-color: #2a2a2a;
    border-radius: 5px;
    overflow: hidden;
    text-align: center;
}

ul li {
    padding: 10px;
    border-bottom: 1px solid #444;
}

ul li:last-child {
    border-bottom: none;
}

ul li a {
    text-decoration: none;
    color: #007BFF;
    display: block;
    transition: background 0.3s;
}

ul li a:hover {
    background: #333;
}

footer {
    background-color: #1f1f1f;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.2);
}

/* Responsive design */
@media (max-width: 600px) {
    header h1 {
        font-size: 1.5em;
    }
    h2 {
        font-size: 1em;
    }
    nav ul {
        flex-direction: column;
        align-items: center;
    }
}