scroll-out {
    display: block;
    overflow: scroll;
    white-space: pre;
    width: 40ch;
    height: 40ch;
    font-family: monospace;
}

scroll-out :first-child {
    position: relative;
    width: 0px;
    height: 0px;
}
scroll-out :first-child * {
    position: absolute;
}