diff --git a/content/assets/css/style-add-ans.css b/content/assets/css/style-add-ans.css
index a47d3f2..fe4ebcd 100644
--- a/content/assets/css/style-add-ans.css
+++ b/content/assets/css/style-add-ans.css
@@ -89,3 +89,9 @@ margin : 10px;
   padding: 4px;
 }
 
+.table-hl7v2 tbody > tr.segment > td {
+  padding: 4px;
+  background-color : #a0a4ac;
+}
+
+