/* #abstract { */
#abstract {
    display: none;
}

.abstract-content>#abstract:not(:empty) {
    display: block;
    border: 1px solid #ddd;
    background-color: #eee;
    padding: 10px;
    margin-bottom: 20px;
}

.article-attachments-container {
    padding: 10px;
    background-color: #eed;
    border: 1px solid #ddc;
}

/* the words "attachments" & "abstract" */
.article-attachments-header,
.abstract-content p:nth-child(1) {
    font-weight: bold;
}

.article-attachments-header,
.abstract-content p {
    margin: 0;
    padding: 0;
}