diff --git a/bootstrap-1.2.0.css b/bootstrap-1.2.0.css
index b2bcc20b3..b502d7fa7 100644
--- a/bootstrap-1.2.0.css
+++ b/bootstrap-1.2.0.css
@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Fri Sep  2 22:08:17 PDT 2011
+ * Date: Fri Sep  2 22:09:02 PDT 2011
  */
 /* Reset.less
  * Props to Eric Meyer (meyerweb.com) for his CSS reset file. We're using an adapted version here	that cuts out some of the reset HTML elements we will never need here (i.e., dfn, samp, etc).
@@ -188,7 +188,7 @@ textarea {
 .fixed-container {
   width: 940px;
   margin-left: auto;
-  margin-left: auto;
+  margin-right: auto;
   zoom: 1;
   margin-bottom: 18px;
 }
@@ -396,7 +396,7 @@ body {
 .container {
   width: 940px;
   margin-left: auto;
-  margin-left: auto;
+  margin-right: auto;
   zoom: 1;
   margin-bottom: 18px;
 }
diff --git a/bootstrap-1.2.0.min.css b/bootstrap-1.2.0.min.css
index a294e905e..d823c6bef 100644
--- a/bootstrap-1.2.0.min.css
+++ b/bootstrap-1.2.0.min.css
@@ -22,7 +22,7 @@ textarea{overflow:auto;vertical-align:top;}
 .clearfix{zoom:1;}.clearfix:before,.clearfix:after{display:table;content:"";}
 .clearfix:after{clear:both;}
 .center-block{display:block;margin-left:auto;margin-right:auto;}
-.fixed-container{width:940px;margin-left:auto;margin-left:auto;zoom:1;margin-bottom:18px;}.fixed-container:before,.fixed-container:after{display:table;content:"";}
+.fixed-container{width:940px;margin-left:auto;margin-right:auto;zoom:1;margin-bottom:18px;}.fixed-container:before,.fixed-container:after{display:table;content:"";}
 .fixed-container:after{clear:both;}
 .btn.danger,.alert-message.danger,.btn.danger:hover,.alert-message.danger:hover,.btn.error,.alert-message.error,.btn.error:hover,.alert-message.error:hover,.btn.success,.alert-message.success,.btn.success:hover,.alert-message.success:hover,.btn.info,.alert-message.info,.btn.info:hover,.alert-message.info:hover{color:#ffffff;}
 .btn.danger,.alert-message.danger,.btn.error,.alert-message.error{background-color:#c43c35;background-repeat:repeat-x;background-image:-khtml-gradient(linear, left top, left bottom, from(#ee5f5b), to(#c43c35));background-image:-moz-linear-gradient(top, #ee5f5b, #c43c35);background-image:-ms-linear-gradient(top, #ee5f5b, #c43c35);background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0%, #ee5f5b), color-stop(100%, #c43c35));background-image:-webkit-linear-gradient(top, #ee5f5b, #c43c35);background-image:-o-linear-gradient(top, #ee5f5b, #c43c35);background-image:linear-gradient(top, #ee5f5b, #c43c35);filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ee5f5b', endColorstr='#c43c35', GradientType=0);text-shadow:0 -1px 0 rgba(0, 0, 0, 0.25);border-color:#c43c35 #c43c35 #882a25;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);}
@@ -65,7 +65,7 @@ textarea{overflow:auto;vertical-align:top;}
 .row .offset-two-thirds{margin-left:660px;}
 html,body{background-color:#fff;}
 body{margin:0;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:13px;font-weight:normal;line-height:18px;color:#808080;}
-.container{width:940px;margin-left:auto;margin-left:auto;zoom:1;margin-bottom:18px;}.container:before,.container:after{display:table;content:"";}
+.container{width:940px;margin-left:auto;margin-right:auto;zoom:1;margin-bottom:18px;}.container:before,.container:after{display:table;content:"";}
 .container:after{clear:both;}
 .container-fluid{padding-left:20px;padding-right:20px;zoom:1;margin-bottom:18px;}.container-fluid:before,.container-fluid:after{display:table;content:"";}
 .container-fluid:after{clear:both;}
diff --git a/lib/preboot.less b/lib/preboot.less
index adbbc676e..3cf924192 100644
--- a/lib/preboot.less
+++ b/lib/preboot.less
@@ -124,7 +124,7 @@
 .fixed-container {
   width: @siteWidth;
   margin-left: auto;
-  margin-left: auto;
+  margin-right: auto;
   .clearfix();
 }
 .columns(@columnSpan: 1) {