diff --git a/combo/manager/static/css/combo.manager.css b/combo/manager/static/css/combo.manager.css
index 9de3b7fd..28323aa3 100644
--- a/combo/manager/static/css/combo.manager.css
+++ b/combo/manager/static/css/combo.manager.css
@@ -12,6 +12,7 @@ div.placeholder {
 }
 
 div.cell-list > div {
+	background: white;
 	border: 1px solid #eee;
 	margin: 1ex 0;
 	box-shadow: rgba(0, 0, 0, 0.04) 0px 1px 1px 0px;