* {
    --grey-color: #000000;
    --white-color: #ffffff;
    --font-family: monospace;
}

body {
    background-color: var(--grey-color);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

a {
    color: #ffffff;
    text-decoration: none;
    font-size: small;
}

.content {
    font-family: var(--font-family);
    text-align: center;
    color: var(--white-color);
}