diff --git a/src/data/Web_Basic-Ash.css b/src/data/Web_Basic-Ash.css
index 7036bdb01..1680f9f37 100644
--- a/src/data/Web_Basic-Ash.css
+++ b/src/data/Web_Basic-Ash.css
@@ -612,7 +612,6 @@ div#EventDetail table.eventlist tbody tr td.ColumnAttribute {
     width: 20%;
 }
 div#EventDetail table.eventlist tbody tr td.ColumnEvent {
-    background-color: #000;
     border-top: solid 1px #000;
 }