html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: 0;
}

.wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: row;
    max-height: 100vh;
}

.flex {
    display: flex;
}

.fill {
    flex-grow: 1
}

.column {
    flex-direction: column;
}