diff --git a/app/views/layouts/_lightboxes.html.erb b/app/views/layouts/_lightboxes.html.erb
index 14c32853..8b43c4fa 100644
--- a/app/views/layouts/_lightboxes.html.erb
+++ b/app/views/layouts/_lightboxes.html.erb
@@ -168,14 +168,13 @@
 
         <p>Financial contributions are greatly appreciated in support of our work. All financial contributions are transparently governed and recorded in our value accounting system.</p>
         <script data-gratipay-username="Metamaps.cc" src="//gttp.co/v1.js"></script>
-                <div style="font-size:16px; width:250px" class="blockchain-btn"
-     data-address="14GontNS1FKoiTQDEB5WBCUDZaFTiyxkzN"
+                <div style="font-size:16px;margin:0 auto;width:300px" class="blockchain-btn"
+     data-address="15z24wj6E9tTsJgEBjnK81CtJ7kZZmxJYN"
      data-shared="false">
-         <div class="blockchain stage-begin">
+    <div class="blockchain stage-begin">
         <img src="https://blockchain.info//Resources/buttons/donate_64.png"/>
     </div>
-    <div class="blockchain stage-loading">
-
+    <div class="blockchain stage-loading" style="text-align:center">
         <img src="https://blockchain.info//Resources/loading-large.gif"/>
     </div>
     <div class="blockchain stage-ready">