.container {
    flex-direction: column;
}

scroll-container {
    border: 1px solid black;
    display: block;
    height: 200px;
    overflow-y: scroll;
    width: 200px;
}

scroll-page {
    align-items: center;
    display: flex;
    font-size: 5em;
    height: 100%;
    justify-content: center;
}