body {
    font-family: sans-serif;
    margin: 2em;
}

select {
    padding: 0.4em;
    margin-bottom: 1em;
}

#crowding {
    margin-top: 1em;
    font-weight: bold;
}

#graphic {
    display: block;
    width: 80%;
    height: auto;
    margin-top: 1em;
}

#page-title {
    font-size: 1.5rem;
    margin: 0 0 1rem 0;
}