.reveal .exhibit img {display:block;margin:8px auto;max-height:450px;max-width:94%;object-fit:contain;}
.reveal .caption {text-align:center;font-size:.59em;margin:5px auto;}
.reveal .discussion {border-left:4px solid #356783;padding:0.2em 0.65em;font-size:.76em;margin-top:.5em;}
.reveal .small {font-size:.78em;}
.reveal .references {font-size:.57em;}