Display button above the fold in Tails on 768px

wiki/src/home.html

@@ -23,9 +23,8 @@
 
 <h2>Survey on <strong>ease of use and online privacy tools</strong></h2>
 
-<p><b>Contribute to Tails by answering these few questions!</b> (2&ndash;5 minutes)</p>
-
-<p>To improve Tails we need to learn how people use it but, unlike others,
+<p><b>Contribute to Tails by answering these few questions!</b> (2&ndash;5 minutes)<br/>
+To improve Tails we need to learn how people use it but, unlike others,
 we don't track you against your will. Your answers are anonymous and
 only our team can access the data.</p>