diff --git a/Tools/Documentation/doxygen.css b/Tools/Documentation/doxygen.css
index 134a9f9e4..29db770d9 100644
--- a/Tools/Documentation/doxygen.css
+++ b/Tools/Documentation/doxygen.css
@@ -1200,6 +1200,7 @@ dl.citelist dd {
   overflow:auto;
   padding-right: 0px !important;
   margin-right: -3px !important;
+  background: #E8EAEE !important;
 }
 
 #doc-content {