Index: style.css
===================================================================
--- style.css	(revision 25764)
+++ style.css	(working copy)
@@ -1498,7 +1498,6 @@
 .gallery-columns-1.gallery-size-thumbnail,
 .gallery-columns-2.gallery-size-thumbnail,
 .gallery-columns-3.gallery-size-thumbnail {
-	display: table;
 	margin: 0 auto 20px;
 }