diff --git a/UI/WebServerResources/generic.css b/UI/WebServerResources/generic.css
index 9f7191845..e2b6922d0 100644
--- a/UI/WebServerResources/generic.css
+++ b/UI/WebServerResources/generic.css
@@ -695,7 +695,8 @@ INPUT.comboBoxField
 { margin-right: 0px; }
 
 INPUT.textField._invalid, INPUT.comboBoxField._invalid
-{ background-color: #f00 !important; }
+{ background-color: #f66 !important;
+  border-color: #f00; }
 
 BUTTON.comboBoxButton
 { background-image: url("arrow-down.png");
diff --git a/UI/WebServerResources/iefixes.css b/UI/WebServerResources/iefixes.css
index 3426b8de6..2fb102b10 100644
--- a/UI/WebServerResources/iefixes.css
+++ b/UI/WebServerResources/iefixes.css
@@ -79,7 +79,7 @@ DIV#editorTabs TABLE.frame INPUT.textField
 { margin: 0px; }
 
 INPUT.textField._invalid, INPUT.comboBoxField._invalid
-{ background: #f00 !important; }
+{ background: #f66 !important; }
 
 /* SchedulerUI */