diff --git a/bootstrap-3.0.0/less/utilities.less b/bootstrap-3.0.0/less/utilities.less
new file mode 100644
index 0000000000000000000000000000000000000000..3d310e6515f577e1b9e0b4026a1cf04a57903606
--- /dev/null
+++ b/bootstrap-3.0.0/less/utilities.less
@@ -0,0 +1,42 @@
+//
+// Utility classes
+// --------------------------------------------------
+
+
+// Floats
+// -------------------------
+
+.clearfix {
+  .clearfix();
+}
+.pull-right {
+  float: right !important;
+}
+.pull-left {
+  float: left !important;
+}
+
+
+// Toggling content
+// -------------------------
+
+.hide {
+  display: none !important;
+}
+.show {
+  display: block !important;
+}
+.invisible {
+  visibility: hidden;
+}
+.text-hide {
+  .hide-text();
+}
+
+
+// For Affix plugin
+// -------------------------
+
+.affix {
+  position: fixed;
+}