diff --git a/_layouts/default.html b/_layouts/default.html
index e52377f..96418ee 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -149,6 +149,10 @@
         th:empty {
           display: none; /* This will make an empty header cell vanish */
         }    
+
+        table, th, td {
+          border: 2px solid white; /* 2px lines for cells and header */
+        }
         
         img {
           display: block;