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src/site/docs/language-tour/index.html

 ---
 layout: default
 title: "A Tour of the Dart Language"
 description: "Learn how to use each major Dart language feature."
 ---
 
 <h1> {{ page.title }} </h1>
 
 <section class="overview">
 <p>
 Welcome to the Dart language tour!
 We'll show you how to use each major Dart language feature,
 from variables to operators to classes and libraries,
 with the assumption that you already know how to program in another language.
 </p>
 
-<aside class="note">
-<b>Tip:</b>
-Create a server application project in Dart Editor
-so you can play with each feature.
-See <a href="/docs/editor/getting-started/">Getting Started with Dart Editor</a>
-for instructions.
+<aside>
+  <div class="alert alert-info">
+    <strong>Tip:</strong>
+    Create a server application project in Dart Editor
+    so you can play with each feature.
+    See <a href="/docs/editor/getting-started/">Getting Started with Dart Editor</a>
+    for instructions.
+  </div>
 </aside>
 
 <p>
 Consult the
 <a href="/docs/spec/index.html">Dart Language Specification</a>
 whenever you want more details about a language feature.
 </p>
 
 <h4 id="toc"> Contents </h4>
 <ol class="toc">
@@ skipping 146 matching lines @@
 
 <section>
   <h2 id="comments">Comments</h2>
   {% render language-tour/comments/index.markdown %}
   <p class="up-to-toc">
     <a href="#toc">Back to contents.</a>
   </p>
 </section>
 
 <script async src="/js/lang-tour-analytics.js"></script>