Separate html and js example code

examples/resources/common.js

@@ -1,6 +1,10 @@
 (function() {
-  var clipboard = new Clipboard('#copy-button');
-  clipboard.on('success', function(e) {
+  var htmlClipboard = new Clipboard('#copy-html-button');
+  htmlClipboard.on('success', function(e) {
+    e.clearSelection();
+  });
+  var jsClipboard = new Clipboard('#copy-js-button');
+  jsClipboard.on('success', function(e) {
     e.clearSelection();
   });
 

examples/resources/layout.css

@@ -91,13 +91,13 @@ pre[class*="language-"] {
   background: #FFFFFF;
 }
 
-#source-controls {
+.source-controls {
   position: absolute;
   margin-top: 20px;
   right: 40px;
 }
 
-#source-controls a {
+.source-controls a {
   margin-left: 15px;
 }