/* css styles */
div.column-margin div.remark {
    border: thin solid red;
    margin: 20px 0;
    padding: 10px;
}

div.callout.abstract {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    border: none;
}

.remark-content {
    border: thin solid gray;
    margin: 3px;
    padding: 2px;
    font-size: 0.8em;
}