.footnote-btn {
    all: unset;
    cursor: pointer;
    font-size: 0.75em;
    vertical-align: super;
    color: #ff8000;
}

.footnote-btn:hover {
    text-decoration: underline;
}

.footnote-content {
    display: none;
}

.popover .popover-body {
    max-height: 60vh;
    overflow: auto;
}