html, body, div {
    margin: 0px;
    padding: 0px;
    font-family: Arial, Helvetica, sans-serif;
}

.hidden {
    display: none !important;
}

.correct {
    background-color: lightgreen;
}

.incorrect {
    background-color: pink;
}

.warning {
    background-color: lightgoldenrodyellow;
}

.btnWrapper {
    margin-top: 3em;
}

.scoreWrapper {
    font-size: 2em;
    font-weight: bold;
    margin-bottom: 1em;
}