diff --git a/src/browser/base/content/zen-styles/zen-sidebar-panels.css b/src/browser/base/content/zen-styles/zen-sidebar-panels.css
index 9c429294c..5898f1906 100644
--- a/src/browser/base/content/zen-styles/zen-sidebar-panels.css
+++ b/src/browser/base/content/zen-styles/zen-sidebar-panels.css
@@ -170,7 +170,7 @@
 }
 
 #zen-sidebar-web-panel-wrapper {
-  margin: var(--zen-element-separation) calc(var(--zen-element-separation) / 2) var(--zen-element-separation) var(--zen-element-separation);
+  margin: 0 calc(var(--zen-element-separation) / 2) var(--zen-element-separation) var(--zen-element-separation);
 }
 
 #zen-sidebar-web-panel[pinned='true'] {
diff --git a/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css b/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
index 6d364a1bf..fdd3560a0 100644
--- a/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
+++ b/src/browser/base/content/zen-styles/zen-tabs/vertical-tabs.css
@@ -884,7 +884,7 @@
 
   &:not([selected]) .tab-background {
     background: light-dark(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.1));
-    box-shadow: 0 0 1px 1px rgba(0, 0, 0, 0.1);
+    box-shadow: 0 0 1px 1px light-dark(rgba(0, 0, 0, 0.07), rgba(0, 0, 0, 0.1));
   }
 
   backdrop-filter: blur(10px);