.footnote_wrapper {
    position: relative;
    display: inline;
}

.footnote_count {
    cursor: pointer;
    color: blue;
    text-decoration: underline;
}

.footnote_popup {
    display: none;
    position: absolute;
    left: 0;
    top: 1.5em;
    width: 300px;
    padding: 10px;
    background: white;
    border: 1px solid #888;
    box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.2);
    z-index: 100;
}

.footnote_wrapper.active .footnote_popup {
    display: block;
}

.footnote_close {
    float: right;
    margin-left: 10px;
    cursor: pointer;
    font-weight: bold;
}