body {
    width: 75%;
    margin: auto;
}

div {
    border-bottom: 1px solid;
    margin-bottom: 2em;
}

p {
    margin: 10px;
}

.correct {
    color: red;
    font-weight: 900;
    text-decoration: underline;
}

.tooltip {
    color: darkslategray;
}