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src/site/docs/pub-package-manager/index.markdown

Index: src/site/docs/pub-package-manager/index.markdown
diff --git a/src/site/docs/pub-package-manager/index.markdown b/src/site/docs/pub-package-manager/index.markdown
index b3fd2536ce0d211adb901a17038715f2126a659a..ad03467b1737043949f13db4bbfb4862dcfea594 100644
--- a/src/site/docs/pub-package-manager/index.markdown
+++ b/src/site/docs/pub-package-manager/index.markdown
@@ -7,9 +7,12 @@ your web and command-line Dart apps."
 
 # {{ page.title }}
 
-<aside class="note">
-  <b>Note:</b> pub is under active development, so expect
-  some changes to the functionality of the tool and these docs.
+<aside>
+  <div class="alert alert-info">
+    <strong>Note:</strong>
+    Pub is under active development, so expect
+    some changes to the functionality of the tool and these docs.
+  </div>
 </aside>
 
 This page tells you how to use the _pub_ tool (`bin/pub`)
@@ -62,11 +65,14 @@ the pub tool will also download and install the `sweet` package.
 
 ## Using libraries from the SDK
 
-<aside class="note">
-<b>Note:</b> The functionality described in this section is temporary.
-It's possible that some libraries
-that currently ship in the SDK will be pulled out of the SDK and installable
-directly from pub.
+<aside>
+  <div class="alert alert-info">
+    <strong>Note:</strong>
+    The functionality described in this section is temporary.
+    It's possible that some libraries
+    that currently ship in the SDK will be pulled out of the SDK and installable
+    directly from pub.
+  </div>
 </aside>
 
 Not all libraries that ship with the SDK are available in the `dart:`
@@ -103,9 +109,12 @@ for you next to the pubspec.yaml file.
 To help the Dart Editor understand how to find packages, go to Preferences 
 and point the "Package directory" to `/path/to/your/app/packages`.
 
-<aside class="note">
-  <b>Note:</b>  In the future, you'll be able to configure the packages
-  mapping per project, instead of globally.
+<aside>
+  <div class="alert alert-info">
+    <strong>Note:</strong>
+    In the future, you'll be able to configure the packages
+    mapping per project, instead of globally.
+  </div>
 </aside>
 
 ### Mapping packages for the Dart VM