diff --git a/index.html b/index.html
index 5ff7f8f..c8c80ee 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@ title: Home
 ---
 <div class="center">
   <a href="https://github.com/Obrary/{{ site.github.project_title }}/archive/master.zip">
-  <img src="{{ site.baseurl }}{{ site.github.project_title | prepend:'/' }}/public/download-free-design-file.png" alt="Download free design package" align="middle"></a>
+  <img src="{{ site.baseurl }}{{ site.github.project_title | prepend:'/' }}/public/download-free-design-file.png" alt="Download free design package" class="center"></a>
   <br>This .zip file contains all of the CAD, interchange (.dxf, .pdf, etc) and CAM files for the {{ site.github.project_title }}
   </div>
 <h2>Other {{ site.github.project_title }} information</h2>