.ht-wrapper {
    margin: 0.5em 0;
}

.ht-toggle {
    cursor: pointer;
    text-decoration: underline;
    display: inline-block;
}

.ht-toggle:hover {
    text-decoration: none;
}

.ht-content {
    display: none;
    margin-top: 0.5em;
}

.ht-wrapper.ht-open .ht-content {
    display: block;
}