diff --git a/less/mixins.less b/less/mixins.less
old mode 100755
new mode 100644
index 8f89beb794..8698ab0e3b
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -597,14 +597,20 @@
     .spanX (0) {}
 
     .offsetX (@index) when (@index > 0) {
-      (~'.offset@{index}, .row-fluid .offset@{index}:first-child') { .offset(@index); }
+      (~'.offset@{index}') { .offset(@index); }
+      (~'.offset@{index}:first-child') { .offsetFirstChild(@index); }
       .offsetX(@index - 1);
     }
     .offsetX (0) {}
 
     .offset (@columns) {
-      margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) + @fluidGridGutterWidth;
-	  *margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) - (.5 / @gridRowWidth * 100 * 1%) + @fluidGridGutterWidth - (.5 / @gridRowWidth * 100 * 1%);
+      margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) + (@fluidGridGutterWidth*2);
+	  *margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) - (.5 / @gridRowWidth * 100 * 1%) + (@fluidGridGutterWidth*2) - (.5 / @gridRowWidth * 100 * 1%);
+    }
+    
+    .offsetFirstChild (@columns) {
+      margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) + (@fluidGridGutterWidth);
+      *margin-left: (@fluidGridColumnWidth * @columns) + (@fluidGridGutterWidth * (@columns - 1)) - (.5 / @gridRowWidth * 100 * 1%) + @fluidGridGutterWidth - (.5 / @gridRowWidth * 100 * 1%);
     }
 
     .span (@columns) {