.paper-entry {
    margin-bottom: 0.3em;
}

.paper-entry > *:last-child {
    margin-bottom: 0;
}

.paper-entry > ul:last-child li:last-child > ul {
    margin-bottom: 0;
}

.bibtex-panel {
    border: 1pt solid #ccc;
    padding: 8px;
    background-color: #f8f8f8;
    margin-top: 4px;
}

.bibtex-panel pre {
    font-family: monospace;
    white-space: pre-wrap;
    margin: 0;
    font-size: 0.9em;
}

.abstract-panel {
    border: 1pt solid;
    padding: 5px;
    background-color: #e8f4e8;
    margin-top: 4px;
}

.ext-link {
    font-size: 0.85em;
    padding: 1px 4px;
    border: 1px solid #aaa;
    border-radius: 3px;
    text-decoration: none;
    color: #333;
    white-space: nowrap;
}

.ext-link:hover {
    background-color: #eee;
}

.tag-badge {
    display: inline-block;
    font-size: 0.78em;
    padding: 2px 8px;
    border-radius: 10px;
    background-color: #dde;
    color: #446;
    margin-right: 3px;
    margin-top: 2px;
    border: 1px solid transparent;
    transition: background-color 0.15s, border-color 0.15s;
}

.tag-badge.active {
    background-color: #446;
    color: #fff;
    border-color: #224;
}

#tag-filter .tag-badge:hover {
    border-color: #668;
}