diff --git a/web/media/media.css b/web/media/media.css
--- a/web/media/media.css
+++ b/web/media/media.css
@@ -20,6 +20,8 @@
   /* in multimedia.react.js */
   max-height: 200px;
   max-width: 100%;
+  min-height: inherit;
+  object-fit: cover;
 }
 /* Prevent borders around images without src attribute */
 span.multimedia > .multimediaImage > img:not([src]) {