diff --git a/app/views/layouts/mailer.html.erb b/app/views/layouts/mailer.html.erb
index a7d289f98..f6a457ef9 100644
--- a/app/views/layouts/mailer.html.erb
+++ b/app/views/layouts/mailer.html.erb
@@ -39,6 +39,14 @@ pre {
overflow-y: hidden;
}
ul.details {color:#959595; margin-bottom: 1.5em;}
+table {
+ border-collapse: collapse;
+ margin-bottom: 1em;
+}
+table, td, th {
+ border: 1px solid #bbb;
+ padding: 4px;
+}