body {
    background-color: black;
    color: white;
    font-family: 'Menlo', 'Courier New', Courier, monospace;
    margin: auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header img {
    display: block;
    width: 600px;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    text-align: center;
    color: #492F7A;
}

footer {
    margin-top: auto;
    padding: 2px;
    font-size: small;
    color: #999999;
    text-align: right;
}