diff --git a/atlas/templates/atlas/collection_case_view_take.html b/atlas/templates/atlas/collection_case_view_take.html
index 972879db..c7240fc9 100644
--- a/atlas/templates/atlas/collection_case_view_take.html
+++ b/atlas/templates/atlas/collection_case_view_take.html
@@ -107,6 +107,10 @@
         .series-block:hover {
             background-color: darkblue;
         }
+
+        fieldset:disabled textarea {
+            background-color: black;
+        }
     </style>
 
 {% endblock %}