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

#wrapper {
    grid-template-rows: auto 1fr;
}

#mainArea {
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px;
}

.outputLine {
    font-family: monospace;
    font-weight: 500;
}