Hides unfinished buttons

sample.html

@@ -136,9 +136,9 @@
 	<a href="#" class="zocial call">Call a phone</a>
 	<a href="#" class="zocial email">Send a message</a>
 	<a href="#" class="zocial cal">Add to calendar</a>
-	<a href="#" class="zocial download">Download this magic</a>
+	<!-- <a href="#" class="zocial download">Download this magic</a>
 	<a href="#" class="zocial print">Print this page</a>
-	<a href="#" class="zocial cart">Add to cart</a>
+	<a href="#" class="zocial cart">Add to cart</a> -->
 	<br />
 	<a href="#" class="zocial primary" title="A primary button for general purposes to keep consistency with Zocial">Primary action</a>
 	<a href="#" class="zocial secondary" title="A secondary button for general purposes to keep consistency with Zocial">Secondary action</a>
@@ -220,7 +220,7 @@
 	<a href="#" class="zocial xing icon">Sign in with Xing</a>
 	<a href="#" class="zocial flickr icon">Upload to Flickr</a>
 	<a href="#" class="zocial delicious icon">Sign in with Del.icio.us</a>
-	
+	<a href="#" class="zocial googleplay icon">Download from Google Play</a>
 	
 	
 	<p>Thanks to <a href="http://twitter.com/guillermovs" target="_blank">@guillermovs</a>, <a href="http://twitter.com/kamens" target="_blank">@kamens</a>, and <a href="http://twitter.com/leaverou" target="_blank">@leaverou</a> for code refinements and suggestions.</p>