outdent the rows for tablets and above

docs/assets/css/bootstrap.css

@@ -992,6 +992,10 @@ pre code {
   .container {
     max-width: 728px;
   }
+  .row {
+    margin-right: -15px;
+    margin-left: -15px;
+  }
 }
 
 @media screen and (min-width: 992px) {

less/grid.less

@@ -41,6 +41,10 @@
   .container {
     max-width: 728px;
   }
+  .row {
+    margin-left:  (@grid-gutter-width / -2);
+    margin-right: (@grid-gutter-width / -2);
+  }
 }
 
 // Responsive: Desktops and up