.diagram {
    float: right;
    margin-left: 10px;
    margin-right: 5px;
    padding: 5px;
    border: 1px solid black;
    clear: right;
}

.bibtex {
    display:none;
    border: 1px solid #aaaaaa;
    background: #f9ef7e;
    width: 90%;
    margin-left: 0.5em;
    margin-right: auto;
    font: 11px monospace;
    padding: 0.5em;
    margin-top: 0.5em;
}

.bibtex-btn {
    font-family: monospace;
    color: #08C;
    cursor: pointer;
}

.bibtex-btn:hover {
    text-decoration: underline;
    color: #005580;
}