ensure two-thirds grid offsets work the same as the others

bootstrap.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: Sat Nov 12 00:51:48 PST 2011
+ * Date: Sat Nov 12 01:04:51 PST 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).
@@ -380,10 +380,10 @@ a:hover {
 .span-two-thirds {
   width: 620px;
 }
-.offset-one-third {
+.row > .offset-one-third {
   margin-left: 340px;
 }
-.offset-two-thirds {
+.row > .offset-two-thirds {
   margin-left: 660px;
 }
 /* Typography.less

bootstrap.min.css

@@ -73,8 +73,8 @@ a{color:#0069d6;text-decoration:none;line-height:inherit;font-weight:inherit;}a:
 .row>.offset12{margin-left:740px;}
 .span-one-third{width:300px;}
 .span-two-thirds{width:620px;}
-.offset-one-third{margin-left:340px;}
-.offset-two-thirds{margin-left:660px;}
+.row>.offset-one-third{margin-left:340px;}
+.row>.offset-two-thirds{margin-left:660px;}
 p{font-size:13px;font-weight:normal;line-height:18px;margin-bottom:9px;}p small{font-size:11px;color:#bfbfbf;}
 h1,h2,h3,h4,h5,h6{font-weight:bold;color:#404040;}h1 small,h2 small,h3 small,h4 small,h5 small,h6 small{color:#bfbfbf;}
 h1{margin-bottom:18px;font-size:30px;line-height:36px;}h1 small{font-size:18px;}

lib/scaffolding.less

@@ -133,5 +133,7 @@ a {
 // Unique column sizes for 16-column grid
 .span-one-third     { width: 300px; }
 .span-two-thirds    { width: 620px; }
-.offset-one-third   { margin-left: 340px; }
-.offset-two-thirds  { margin-left: 660px; }
+.row {
+  > .offset-one-third   { margin-left: 340px; }
+  > .offset-two-thirds  { margin-left: 660px; }
+}
\ No newline at end of file