diff --git a/Resource/template/admin/index.twig b/Resource/template/admin/index.twig
index 1647a17..213842d 100644
--- a/Resource/template/admin/index.twig
+++ b/Resource/template/admin/index.twig
@@ -343,7 +343,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
                         {% if Priorities|length > 0 %}
                             <div class="col-md-4">
                                 <div class="row">
-                                    <div class="col-md-4 col-md-offset-8">
+                                    <div class="col-md-6 col-md-offset-6">
                                         <div class="form-group">
                                             <button id="delete-checked" type="button" class="btn btn-default btn-block">
                                                 削除