diff --git a/css/rt-dmview-css-min.css b/css/rt-dmview-css-min.css
index dc45fff..e1bb5f7 100644
--- a/css/rt-dmview-css-min.css
+++ b/css/rt-dmview-css-min.css
@@ -239,6 +239,7 @@ label::before {
 .tab-content {
     height: 45vh;
     /* 45% of viewport height */
+    position: fixed;
 }
 
 .tab-pane {