diff --git a/css/leptonChrome.css b/css/leptonChrome.css
index e05b3ee..8c42869 100644
--- a/css/leptonChrome.css
+++ b/css/leptonChrome.css
@@ -3774,8 +3774,6 @@
   :root:not([uidensity="touch"]) #search-container {
     padding-block: 3px !important;
     /* Original: 4px */
-    margin-inline: 5px !important;
-    /* Original: 5px */
   }
 
   :root:not([uidensity="compact"]) #urlbar-container,
@@ -8223,6 +8221,10 @@
   #urlbar-container {
     top: var(--uc-urlbar-margin-top);
     min-width: calc(var(--uc-sidebar-activate-width) - 2 * var(--toolbarbutton-inner-padding)) !important;
+    margin-inline: auto !important;
+    /* Original: var(--urlbar-margin-inline) */
+    left: 50%;
+    transform: translateX(-50%);
   }
 
   #sidebar-header {
@@ -8230,6 +8232,9 @@
     -moz-window-dragging: drag;
   }
 
+  :root[customizing="true"] #wrapper-urlbar-container {
+    left: 50%;
+  }
   :root[customizing="true"] #browser[collapsed="true"] {
     visibility: visible !important;
   }
diff --git a/src/navbar/_as_sidebar.scss b/src/navbar/_as_sidebar.scss
index 8b0f1fb..3b3c31b 100644
--- a/src/navbar/_as_sidebar.scss
+++ b/src/navbar/_as_sidebar.scss
@@ -73,6 +73,10 @@
 #urlbar-container {
   top: var(--uc-urlbar-margin-top);
   min-width: calc(var(--uc-sidebar-activate-width) - (2 * var(--toolbarbutton-inner-padding))) !important;
+
+  margin-inline: auto !important; /* Original: var(--urlbar-margin-inline) */
+  left: 50%;
+  transform: translateX(-50%);
 }
 
 #sidebar-header {
@@ -81,6 +85,10 @@
 }
 
 :root[customizing="true"] {
+  #wrapper-urlbar-container {
+    left: 50%;
+  }
+
   #browser[collapsed="true"] {
     visibility: visible !important;
 
diff --git a/src/padding/_urlbar.scss b/src/padding/_urlbar.scss
index b5cd2bc..d167c05 100644
--- a/src/padding/_urlbar.scss
+++ b/src/padding/_urlbar.scss
@@ -1,7 +1,6 @@
 :root:not([uidensity="touch"]) #urlbar-container,
 :root:not([uidensity="touch"]) #search-container {
   padding-block: 3px !important; /* Original: 4px */
-  margin-inline: 5px !important; /* Original: 5px */
 }
 :root:not([uidensity="compact"]) #urlbar-container,
 :root:not([uidensity="compact"]) #search-container {