Fix buttons on landing page.

Author: ntoll

en/index.html

@@ -7,8 +7,13 @@
 <div class="row text-center">
     <h2><strong>Code with Mu:</strong>
     a simple Python editor for beginner programmers.
+    </h2>
+</div>
+<div class="row text-center">
+    <p>
     <a class="btn btn-lg btn-success" href="/en/download" role="button">Download</a>
     <a class="btn btn-lg btn-primary" href="/en/about" role="button">Start Here</a>
+    </p>
 </div>
 
 <div class="row">

index.html

@@ -7,8 +7,13 @@
 <div class="row text-center">
     <h2><strong>Code with Mu:</strong>
     a simple Python editor for beginner programmers.
+    </h2>
+</div>
+<div class="row text-center">
+    <p>
     <a class="btn btn-lg btn-success" href="/en/download" role="button">Download</a>
     <a class="btn btn-lg btn-primary" href="/en/about" role="button">Start Here</a>
+    </p>
 </div>
 
 <div class="row">