diff --git a/index.html b/index.html
index c7c7d70..2edb230 100644
--- a/index.html
+++ b/index.html
@@ -232,8 +232,8 @@ clients:
 <div class="full light-grey no-padding">
   <div class="two spacing"></div>
   <div class='row'>
-    <div class='medium-10 medium-centered columns'>
-        <a class="button boxed black" href="https://tinyletter.com/uracreative" target="popupwindow">Subscribe to our newsletter</a>
+    <div class='medium-10 medium-centered centered-text columns'>
+        <a class="button boxed black" href="https://tinyletter.com/uracreative" target="_popupwindow">Subscribe to our newsletter</a>
   </div>
   <div class="two spacing"></div>
 </div>