new site

src/site/docs/technical-overview/index.html

Index: src/site/docs/technical-overview/index.html
diff --git a/src/site/docs/technical-overview/index.html b/src/site/docs/technical-overview/index.html
index 1f98cccf83063d3d1d4d7620a317d93ae2d41730..258e1bcf87e53295b9deececc1db54214f1c6cc6 100644
--- a/src/site/docs/technical-overview/index.html
+++ b/src/site/docs/technical-overview/index.html
@@ -13,13 +13,15 @@ title: "Technical Overview"
   with familiar language constructs into a clear, readable syntax.
   </p>
 
-  <aside class="note">
-  <b>Note:</b>
-  This document is part of an early preview of
-  the Dart language and programming environment.
-  Some elements are missing from the current release,
-  and the details are subject to change based on the feedback we receive.
-  </aside>
+<aside>
+  <div class="alert alert-info">
+    <strong>Note:</strong>
+    This document is part of an early preview of
+    the Dart language and programming environment.
+    Some elements are missing from the current release,
+    and the details are subject to change based on the feedback we receive.
+  </div>
+</aside>
 
   <h4> Contents </h4>