details.ct_hint {
    border: 1px solid #e1e9ef;
    background-color: #ebebeb;
    padding: 0 .5em;
}

details.ct_hint summary {
    background-color: #38648b;
    margin: 0 -.5em;
    color: white;
    font-size: 11pt;
    font-weight: normal;
    padding: 2px 10px;
    cursor: pointer;
}
details.ct_hint summary:hover {
    background-color: #00396a;
    text-decoration: underline;
}
details.ct_hint[open] summary {
    background-color: #00396a;
    font-weight: bold;
    text-decoration: underline;
    margin-bottom: .5em;
}


/* Darkmode */
.darkmode details.ct_hint {
    border-color: #2a2a2a;
    background-color: #2a2a2a;
}

.darkmode details.ct_hint summary {
    background-color: #94BEDB;
}

.darkmode details.ct_hint[open] summary {
    background-color: #216d43;
}