body {
    font-family: Arial, sans-serif;
    background-color: #282c34;
    color: #fff;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

header {
    margin-bottom: 2em;
}

h1 {
    font-size: 3em;
}

h2 {
    font-size: 2em;
}

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

li {
    margin: 0.5em 0;
}

footer {
    position: absolute;
    bottom: 1em;
}