.footnote-float {
    position: absolute;
    background-color: #eeeeee;
    border: 1px solid gray;
    display: none;
    font-size: 120%;
    padding: 0.2em 0.4em;
}
.footnote-under {
    width: 80%;
    margin: 1em auto;
    border: 1px solid gray;
    padding: 0.2em 0.4em;
    font-size: 90%;
    background-color: #eeeeee;
}
.footnote-under p {
    margin: 0;
}