Box sizing on columns. thanks @hellotoby

LICENSE-MIT

@@ -1,4 +1,5 @@
 Copyright (c) 2013 Nick Pack
+Based on the original skeleton project which is Copyright 2011 Dave Gamache
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation

css/skeleton.css

@@ -77,7 +77,13 @@ body {
   float: left;
   display: inline;
   margin-left: 10px;
-  margin-right: 10px; }
+  margin-right: 10px;
+  box-sizing: border-box;
+  -webkit-box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  -ms-box-sizing: border-box;
+  -o-box-sizing: border-box;
+  -khtml-box-sizing: border-box; }
 
 .row {
   margin-bottom: 20px; }

scss/_grid.scss

@@ -3,7 +3,7 @@
 
 .container                                  { position: relative; width: 960px; margin: 0 auto; padding: 0; }
 .container .column,
-.container .columns                         { float: left; display: inline; margin-left: 10px; margin-right: 10px; }
+.container .columns                         { float: left; display: inline; margin-left: 10px; margin-right: 10px; @include box-sizing(border-box); }
 .row                                        { margin-bottom: 20px; }
 
 /* Nested Column Classes */

scss/_mixins.scss

@@ -83,6 +83,9 @@
   box-sizing: $boxsize;
   -webkit-box-sizing: $boxsize;
   -moz-box-sizing: $boxsize;
+  -ms-box-sizing: $boxsize; 
+  -o-box-sizing: $boxsize; 
+  -khtml-box-sizing: $boxsize;
 }
 
 @mixin horizontal-gradient($startColour, $endColour) {