diff --git a/mozilla/toolkit/themes/qute/global/listbox.css b/mozilla/toolkit/themes/qute/global/listbox.css
index 597c3c4a909..c6300cad50c 100644
--- a/mozilla/toolkit/themes/qute/global/listbox.css
+++ b/mozilla/toolkit/themes/qute/global/listbox.css
@@ -67,12 +67,12 @@ listitem {
 }
 
 listbox:focus > listitem[selected="true"][current="true"] {
-  outline: 2px dotted #F3D982;
+  outline: 1px dotted #F3D982;
 }
 
 listbox:focus > listitem[current="true"] {
-  outline: 2px dotted Highlight;
-  -moz-outline-offset: -2px;
+  outline: 1px dotted Highlight;
+  -moz-outline-offset: -1px;
 }
 
 listitem[selected="true"] {
diff --git a/mozilla/toolkit/themes/qute/global/tree.css b/mozilla/toolkit/themes/qute/global/tree.css
index cd778756868..e5f7465730d 100644
--- a/mozilla/toolkit/themes/qute/global/tree.css
+++ b/mozilla/toolkit/themes/qute/global/tree.css
@@ -70,7 +70,7 @@ tree {
 /* ::::: tree rows ::::: */
 
 treechildren::-moz-tree-row {
-  border: 2px solid transparent;
+  border: 1px solid transparent;
   background-color: transparent;
   min-height: 18px;
   height: 1.3em;
@@ -85,11 +85,11 @@ treechildren::-moz-tree-row(selected, focus) {
 }
 
 treechildren::-moz-tree-row(current, focus) {
-  border: 2px dotted Highlight;
+  border: 1px dotted Highlight;
 }
 
 treechildren::-moz-tree-row(selected, current, focus) {
-  border: 2px dotted #C0C0C0;
+  border: 1px dotted #C0C0C0;
 }
 
 tree[selstyle="primary"] > treechildren::-moz-tree-row {
diff --git a/mozilla/toolkit/themes/winstripe/global/listbox.css b/mozilla/toolkit/themes/winstripe/global/listbox.css
index 8b209ce1ad6..5891dba8cee 100644
--- a/mozilla/toolkit/themes/winstripe/global/listbox.css
+++ b/mozilla/toolkit/themes/winstripe/global/listbox.css
@@ -67,12 +67,12 @@ listitem {
 }
 
 listbox:focus > listitem[selected="true"][current="true"] {
-  outline: 2px dotted #F3D982;
+  outline: 1px dotted #F3D982;
 }
 
 listbox:focus > listitem[current="true"] {
-  outline: 2px dotted Highlight;
-  -moz-outline-offset: -2px;
+  outline: 1px dotted Highlight;
+  -moz-outline-offset: -1px;
 }
 
 listitem[selected="true"] {
diff --git a/mozilla/toolkit/themes/winstripe/global/tree.css b/mozilla/toolkit/themes/winstripe/global/tree.css
index 8405ca19845..c41042f0634 100644
--- a/mozilla/toolkit/themes/winstripe/global/tree.css
+++ b/mozilla/toolkit/themes/winstripe/global/tree.css
@@ -70,7 +70,7 @@ tree {
 /* ::::: tree rows ::::: */
 
 treechildren::-moz-tree-row {
-  border: 2px solid transparent;
+  border: 1px solid transparent;
   min-height: 18px;
   height: 1.3em;
 }
@@ -84,11 +84,11 @@ treechildren::-moz-tree-row(selected, focus) {
 }
 
 treechildren::-moz-tree-row(current, focus) {
-  border: 2px dotted Highlight;
+  border: 1px dotted Highlight;
 }
 
 treechildren::-moz-tree-row(selected, current, focus) {
-  border: 2px dotted #F3D982;
+  border: 1px dotted #F3D982;
 }
 
 /* ::::: tree cells ::::: */