diff --git a/panel/header.css b/panel/header.css
index 0a89b53c..cab3c120 100644
--- a/panel/header.css
+++ b/panel/header.css
@@ -21,9 +21,6 @@ fieldset.Header>div.output>div.title {
 fieldset.Header>div.output>div.search {
     float:left; margin-left:20px;
 }
-fieldset.Header>div.output>div.search>input {
-    width:120px; background-color:cyan;
-}
 fieldset.Header>div.output>div.search>input:hover {
     /* width:240px; */
 }
@@ -50,6 +47,9 @@ fieldset.Header>div.status {
     display:none;
 }
 
+body.black fieldset.Header>div.output>div.search>input {
+    width:120px; background-color:cyan;
+}
 body.print fieldset.Header>div.output>div.search>input {
     width:120px; background-color:white;
 }