diff --git a/src/public/stylesheets/theme-next.css b/src/public/stylesheets/theme-next.css
index d7658a636..5bfdbf3c1 100644
--- a/src/public/stylesheets/theme-next.css
+++ b/src/public/stylesheets/theme-next.css
@@ -833,11 +833,14 @@ html body #left-pane .quick-search:focus-within .search-button:hover,
  */
 
 #center-pane {
-   border-radius: var(--center-pane-border-radius) 0 0 0;
    padding-top: 2px;
    background: var(--main-background-color);
 }
 
+.vertical-layout #center-pane {
+    border-radius: var(--center-pane-border-radius) 0 0 0;
+}
+
 /*
  * Ribbon & note header
  */