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src/site/docs/sdk/index.html

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 layout: default
 title: "Getting Started with the SDK"
 description: "Learn to download and use the Dart SDK, which includes the Dart VM and the Dart-to-JavaScript compiler."
 ---
 
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 <p>
 This page tells you how to find and use
 prerelease versions of the Dart SDK on
 <span class="linux">Linux.</span>
 <span class="mac">Mac OS X.</span>
 <span class="win">Windows.</span>
 <br>
 (These instructions are available for
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+    <label class="os-choice" for="win">Windows</label>,
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+    <label class="os-choice" for="linux">Linux</label>, or
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+    <label class="os-choice" for="mac">Mac</label>.)
 </p>
 
 <section>
 <h4> Contents </h4>
 <ul>
   <li> <a href="#download">Getting the SDK</a> </li>
   <li> <a href="#contents">SDK contents</a> </li>
 </ul>
 </section>
 
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   and the following command-line tools:
 </p>
 
 <ul>
   <li> <a href="/docs/dart2js/">Dart-to-JavaScript compiler</a> (dart2js)</li>
   <li> <a href="/docs/standalone-dart-vm/">Dart VM</a> (dart)</li>
   <li> <a href="/docs/pub-package-manager/">Dart package manager</a> (pub)</li>
 </ul>
 </section>
 
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