diff --git a/themes/3pane/theme.css b/themes/3pane/theme.css
index 2df6ecd6d..584e9bab9 100644
--- a/themes/3pane/theme.css
+++ b/themes/3pane/theme.css
@@ -42,5 +42,10 @@ span.headlineInnerTitle {
 }
 
 #content-insert {
-	margin-left : 5px;
+	position : absolute;
+	left : 6px;
+	right : 0px;
+	bottom : 0px;
+	top : 0px; 
+
 }
diff --git a/tt-rss.css b/tt-rss.css
index fd7134f32..43a76229b 100644
--- a/tt-rss.css
+++ b/tt-rss.css
@@ -1985,4 +1985,10 @@ div#l_progress_i {
 
 #content-insert {
 	background-color : white;
+	overflow : auto;
+	position : absolute;
+	left : 0px;
+	right : 0px;
+	bottom : 0px;
+	top : 6px; 
 }