Updates to download page.

Author: economon

download.html

@@ -52,7 +52,6 @@ <h3>Current Release for macOS/Linux: SU2 v6.0.0</h3>
   <br>
 
 <div class="row">
-  <center>
   <div class="col-sm-3 text-center">
     <p><a class="btn btn-success btn-lg" href="{{ "/download/su2-macos-latest.tgz" | prepend: site.baseurl }}" role="button">macOS (.tgz)</a>
     </p>
@@ -65,14 +64,12 @@ <h3>Current Release for macOS/Linux: SU2 v6.0.0</h3>
     <p> <a class="btn btn-warning btn-lg" href="{{ "/download/su2-redhat-latest.tgz" | prepend: site.baseurl }}" role="button">Redhat (.tgz)</a>
     </p>
   </div>
-  </center>
 </div>
 
 <br>
 <h3>Current Release for Windows: SU2 v6.0.0</h3>
 <br>
 
-<center>
 <div class="row">
   <div class="col-sm-3 text-center">
     <p> <a class="btn btn-primary btn-lg" href="{{ "/download/su2-windows7-latest.zip" | prepend: site.baseurl }}" role="button">Windows 7 (.zip)</a>
@@ -83,7 +80,6 @@ <h3>Current Release for Windows: SU2 v6.0.0</h3>
     </p>
   </div>
 </div>
-</center>
 
 <br>