[css-transitions] Use class='idl' on IDL interface.

Author: dbaron

css-transitions/Overview.html

@@ -10,7 +10,7 @@
    rel=dcterms.rights>
   <meta content="CSS Transitions" name=dcterms.title>
   <meta content=text name=dcterms.type>
-  <meta content=2014-07-07 name=dcterms.date>
+  <meta content=2014-08-21 name=dcterms.date>
   <meta content="L. David Baron" name=dcterms.creator>
   <meta content=W3C name=dcterms.publisher>
   <meta content="http://dev.w3.org/csswg/css3-transitions/"
@@ -40,7 +40,7 @@
 
    <h1>CSS Transitions</h1>
 
-   <h2 class="no-num no-toc">Editor's Draft 7 July 2014</h2>
+   <h2 class="no-num no-toc">Editor's Draft 21 August 2014</h2>
 
    <dl>
     <dt>This version:
@@ -1229,7 +1229,7 @@ <h2 id=transition-events><span class=secno>5. </span><a
 
      <dd>
       <div class=idl-code>
-       <pre>
+       <pre class=idl>
   <span id=TransitionEvent>[Constructor(DOMString <var
         title="">type</var>, optional <a
         href="#TransitionEventInit"><i>TransitionEventInit</i></a> <var

css-transitions/Overview.src.html

@@ -1283,7 +1283,7 @@ <h2 id="transition-events"><a title="" id="transition-events-">
             </dt>
             <dd>
               <div class='idl-code'>
-                <pre>
+                <pre class='idl'>
   <span id="TransitionEvent">[Constructor(DOMString <var title="">type</var>, optional <i>TransitionEventInit</i> <var title="">transitionEventInitDict</var>)]
   interface TransitionEvent</span> : Event {
     readonly attribute DOMString          <a href="#Events-TransitionEvent-propertyName">propertyName</a>;