diff --git a/cave_data/1623-290.html b/cave_data/1623-290.html
index 9b77a8eb6..3a43ad16b 100644
--- a/cave_data/1623-290.html
+++ b/cave_data/1623-290.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<!-- This file is generated by troggle on March 9, 2023, 9:20 a.m. UTC using the form documented at /handbook/survey/caveentry.html -->
+<!-- This file is generated by troggle on March 9, 2023, 9:22 a.m. UTC using the form documented at /handbook/survey/caveentry.html -->
 <!-- Only put one cave in this file -->
 <!-- If you edit this 1623-nnn.html file by hand, make sure you update the database by doing a full data import -->
 <!-- ALTERNATIVELY you can download an example template from expoweb/templates/cave_data.html -->
@@ -8,7 +8,7 @@
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <body>
-<b>This file is generated by troggle</b> on March 9, 2023, 9:20 a.m. UTC using the form documented at /handbook/survey/caveentry.html
+<b>This file is generated by troggle</b> on March 9, 2023, 9:22 a.m. UTC using the form documented at /handbook/survey/caveentry.html
 <br>
 
 <cave>
@@ -54,14 +54,17 @@ background-color: #eee;
   }
   .photo {
        max-width: 60em;
-      max-height: 40em;
-    margin-left: auto;
-    margin-right: auto;
+      max-height: 40em;    
   }
   .caption {
       font-size: 80%;
       font-style: italic;
   }
+  .centered {
+      display: block;
+      margin-left: auto;
+    margin-right: auto;
+  }
 </style>
 
 <h1>Rough map</h1>
