body {
    font-family: Arial, sans-serif;
    background-color: #000000;
    color: #ffffff;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 20px;
    border-bottom: 1px solid #333333;
}

nav a {
    color: #cccccc;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #ffffff;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
}

h1 {
    font-size: 2.5em;
}

h2 {
    font-size: 1.8em;
}

ul {
    list-style: none;
    padding: 0;
}

.button {
    display: inline-block;
    background-color: #333333;
    color: #ffffff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    margin: 10px;
}

.button:hover {
    background-color: #555555;
}

footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #333333;
    margin-top: 20px;
}