diff --git a/themes/default/style.css b/themes/default/style.css
index 5402aabd..2b7824a7 100644
--- a/themes/default/style.css
+++ b/themes/default/style.css
@@ -167,7 +167,7 @@ ARTICLE TABLE {
 	zoom: 1; /* ie6 */
 	*display: inline; /* ie6 */
 	text-align: center;
-	margin: 8px;
+	margin-bottom: 8px;
 }
 .thumb IMG {
 	border: 1px solid #CCC;
diff --git a/themes/warm/style.css b/themes/warm/style.css
index 19a110ff..eb9b1c61 100644
--- a/themes/warm/style.css
+++ b/themes/warm/style.css
@@ -178,7 +178,7 @@ ARTICLE TABLE {
 	zoom: 1; /* ie6 */
 	*display: inline; /* ie6 */
 	text-align: center;
-	margin: 8px;
+	margin-bottom: 8px;
 }
 .thumb IMG {
 	border: 1px solid #B89F7C;