body {
    text-align: center;
    font-family:sans-serif;
    color: rgba(255, 217, 0, 0.914);
    background-color: rgb(21, 21, 21);
}

a, a:visited {
    text-decoration: none;
    font-family:sans-serif;
    padding: 5px;
    color: rgba(255, 217, 0, 0.914);
}

a:hover {
    text-decoration: underline;
}

div {
    margin: 0;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
}

pre {
    text-align: start;
}