diff --git a/public/react/src/modules/page/VNCDisplay.js b/public/react/src/modules/page/VNCDisplay.js
index 1c65e6b4d..77dd0acdc 100644
--- a/public/react/src/modules/page/VNCDisplay.js
+++ b/public/react/src/modules/page/VNCDisplay.js
@@ -131,19 +131,19 @@ class VNCDisplay extends Component {
 
   		
 	    return (
-	      	<div className="" style={{height: '100%'}}>
+	      	<div className="vncDisply" style={{height: '100%'}}>
                 <style>{`
-                    #top_bar {
+                    .vncDisply #top_bar {
                         background-color: #6e84a3;
                         color: white;
                         font: bold 12px Helvetica;
                         padding: 6px 5px 4px 5px;
                         border-bottom: 1px outset;
                     }
-                    #status {
+                    .vncDisply #status {
                         text-align: center;
                     }
-                    #sendCtrlAltDelButton {
+                    .vncDisply #sendCtrlAltDelButton {
                         position: fixed;
                         top: 0px;
                         right: 0px;
@@ -151,10 +151,14 @@ class VNCDisplay extends Component {
                         padding: 5px 5px 4px 5px;
                         cursor: pointer;
                     }
-                    #screen {
+                    .vncDisply #screen {
                         height: 100%;
                         flex: 1; /* fill remaining space */
                         overflow: hidden;
+                        background: #666;
+                    }
+                    .vncDisply #screen > div {
+                        background: #666;
                     }
                 `}</style>
 		        <div id="top_bar">