diff --git a/apps/client/src/stylesheets/theme-next-light.css b/apps/client/src/stylesheets/theme-next-light.css
index 1bc72a3e2..c29c23346 100644
--- a/apps/client/src/stylesheets/theme-next-light.css
+++ b/apps/client/src/stylesheets/theme-next-light.css
@@ -162,7 +162,7 @@
     --protected-session-active-icon-color: #16b516;
     --sync-status-error-pulse-color: #ff5528;
 
-    --classic-toolbar-vert-layout-background-color: var(--main-background-color);
+    --classic-toolbar-vert-layout-background-color: #ffffffa1;
     --classic-toolbar-horiz-layout-background-color: var(--main-background-color);
 
     --center-pane-vert-layout-background-color-bgfx: #ffffff75;
diff --git a/apps/client/src/stylesheets/theme-next/shell.css b/apps/client/src/stylesheets/theme-next/shell.css
index f1e9c181b..a9707ed53 100644
--- a/apps/client/src/stylesheets/theme-next/shell.css
+++ b/apps/client/src/stylesheets/theme-next/shell.css
@@ -1228,6 +1228,9 @@ body.layout-vertical .tab-row-widget-is-sorting .note-tab.note-tab-is-dragging .
 
 #rest-pane > .classic-toolbar-widget {
     margin-bottom: 2px;
+}
+
+body.vertical-layout #rest-pane > .classic-toolbar-widget {
     border-start-start-radius: var(--center-pane-border-radius);
 }