body {
    margin: 0;
}

#story {
    white-space: pre-line;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}

#bg {
    z-index: -2;
    pointer-events: none;
    position: absolute;
}

#block {
    z-index: -1;
    width: 300px;
    height: 300px;
    background-color: turquoise;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}

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