--- a/browser/themes/shared/incontentprefs/search.css
+++ b/browser/themes/shared/incontentprefs/search.css
@@ -1,23 +1,27 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+ #defaultEngine {
+   -moz-margin-start: 0;
+ }
+
 #defaultEngine > .menulist-label-box > .menulist-icon {
   height: 16px;
 }
 
 /* work around a display: none in Linux's menu.css, see bug 1112310 */
 .searchengine-menuitem > .menu-iconic-left {
   display: -moz-box;
 }
 
 #engineList {
-  margin: .5em 6px;
+  margin: .5em 0;
 }
 
 #engineList treechildren::-moz-tree-image(engineShown, checked) {
   list-style-image: url("chrome://global/skin/in-content/check.svg#check");
   width: 21px;
   height: 21px;
 }
 
@@ -46,8 +50,14 @@
 
 #engineShown {
   min-width: 26px;
 }
 
 #addEnginesBox {
   margin-bottom: 1em;
 }
+
+#removeEngineButton,
+#restoreDefaultSearchEngines {
+  margin-right: 0;
+  margin-left: 0;
+}