diff --git a/apple2js.html b/apple2js.html
index 78b83fc..dfffafd 100644
--- a/apple2js.html
+++ b/apple2js.html
@@ -36,6 +36,9 @@
 .ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default {
   color: white;
 }
+.ui-state-default .ui-icon {
+  background-image: url(images/ui-icons_ffffff_256x240.png);
+}
 </style>
 
 <!-- jQuery -->
diff --git a/apple2jse.html b/apple2jse.html
index 71db3e3..dfb48ff 100644
--- a/apple2jse.html
+++ b/apple2jse.html
@@ -33,10 +33,13 @@
 
 <!-- white text in controls -->
 <style type="text/css">
-  .ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default {
-    color: white;
-  }
-  </style>
+.ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default {
+  color: white;
+}
+.ui-state-default .ui-icon {
+  background-image: url(images/ui-icons_ffffff_256x240.png);
+}
+</style>
 
 <!-- jQuery -->
 <script type="text/javascript" src="//code.jquery.com/jquery-1.9.1.js">