body {
    font-family: helvetica;
    font-size: 9pt;
    color: black;
    background-color: white;
}

a {
    text-decoration: none;
    border-bottom: 1px dotted;
    color: black;
}

#current-challenge {
    display: none;
}

#messages {
    display: none;
}

.challenge {
    display: none;
}