body{
    width: 350px;
    font-family: 'IBM Plex Mono', monospace; 
    margin: 100 auto;
    background: #121619;
    color: white;
    margin: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

a {
    font-weight: 600;
    color: #f1c21b;
}

a:visited {
    color: #ff832b;
}

a:hover {
    color: #fddc69;
}

a:active {
    color: #fcf4d6;
}