body {
    background-color: #0d0d0d;
    color: #fff;
    font-family: Arial, sans-serif;
    display: flex;
    height: 100vh;
    align-items: center;
    justify-content: center;
    margin: 0;
}

.center {
    text-align: center;
}

a {
    color: #00aaff;
    text-decoration: underline;
}