body {
    top: 0;
    margin: 0;
    padding: 0;
    position: fixed;
    height: 100vh;
    width: 100vw;
    display: flex;
    overflow-y: auto;
}

#root {
    display: flex;
    align-self: stretch;
    flex-grow: 1;
    flex-shrink: 1;
}