html, body {
    height: 100%;
}
body {
    background-color: black;
    font-family: Arial;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    text-align: center;
    size: 100px;
}

a {
    color: red;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}