massive CL is massive

src/site/docs/sdk/index.html

Index: src/site/docs/sdk/index.html
diff --git a/src/site/docs/sdk/index.html b/src/site/docs/sdk/index.html
index c46574b251daa2fac4a14fde5d3c6c3013f8ff67..629cab9b01f87f6d5a75634d001f06aae257c32f 100644
--- a/src/site/docs/sdk/index.html
+++ b/src/site/docs/sdk/index.html
@@ -19,15 +19,14 @@ prerelease versions of the Dart SDK on
 <span class="win">Windows.</span>
 <br>
 (These instructions are available for
-    <label>
-      <input type="radio" name="osChoices" id="win">
-      Windows</input></label>, 
-    <label>
-      <input type="radio" name="osChoices" id="linux" checked="true">
-      Linux</input></label>, and
-    <label>
-      <input type="radio" name="osChoices" id="mac">
-      Mac</input></label>.)
+    <input type="radio" name="osChoices" id="win">
+    <label class="os-choice" for="win">Windows</label>,
+
+    <input type="radio" name="osChoices" id="linux" checked="true">
+    <label class="os-choice" for="linux">Linux</label>, or
+
+    <input type="radio" name="osChoices" id="mac">
+    <label class="os-choice" for="mac">Mac</label>.)
 </p>
 
 <section>