update docs

docs/css/ie10-viewport-bug-workaround.css

@@ -0,0 +1,13 @@
+/*!
+ * IE10 viewport hack for Surface/desktop Windows 8 bug
+ * Copyright 2014-2015 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
+
+/*
+ * See the Getting Started docs for more information:
+ * http://getbootstrap.com/getting-started/#support-ie10-width
+ */
+@-ms-viewport     { width: device-width; }
+@-o-viewport      { width: device-width; }
+@viewport         { width: device-width; }

docs/css/jumbotron.css

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+/* Move down content because we have a fixed navbar that is 50px tall */
+body {
+  padding-top: 50px;
+  padding-bottom: 20px;
+}