diff --git a/website/o3dv/css/core.css b/website/o3dv/css/core.css
index 57ff0e3..274393b 100644
--- a/website/o3dv/css/core.css
+++ b/website/o3dv/css/core.css
@@ -1,3 +1,8 @@
+:root
+{
+	--ov_only_on_model_display: inherit;
+}
+
 @font-face
 {
 	font-family: Quicksand;
@@ -28,6 +33,11 @@ img
 	display: block;
 }
 
+.only_on_model
+{
+	display: var(--ov_only_on_model_display);
+}
+
 @media (hover)
 {
 
diff --git a/website/o3dv/js/utils.js b/website/o3dv/js/utils.js
index 14cdf06..7a3596d 100644
--- a/website/o3dv/js/utils.js
+++ b/website/o3dv/js/utils.js
@@ -18,29 +18,17 @@ OV.GetMaterialName = function (originalName)
 
 OV.IsHoverEnabled = function ()
 {
-    if (window.matchMedia ('(hover : hover)').matches) {
-        return true;
-    } else {
-        return false;
-    }
+    return window.matchMedia ('(hover: hover)').matches;
 };
 
 OV.IsSmallWidth = function ()
 {
-    if (window.matchMedia ('(max-width : 700px)').matches) {
-        return true;
-    } else {
-        return false;
-    }
+    return window.matchMedia ('(max-width: 700px)').matches;
 };
 
 OV.IsSmallHeight = function ()
 {
-    if (window.matchMedia ('(max-height : 700px)').matches) {
-        return true;
-    } else {
-        return false;
-    }
+    return window.matchMedia ('(max-height: 700px)').matches;
 };
 
 OV.InstallTooltip = function (item, text)
diff --git a/website/o3dv/js/website.js b/website/o3dv/js/website.js
index 1f3dc40..9c4d7cf 100644
--- a/website/o3dv/js/website.js
+++ b/website/o3dv/js/website.js
@@ -84,18 +84,33 @@ OV.Website = class
         this.viewer.Resize (contentWidth, contentHeight);
     }
 
+    HasLoadedModel ()
+    {
+        return this.model !== null;
+    }
+
     SetUIState (uiState)
     {
+        function ShowOnlyOnModelElements (show)
+        {
+            let root = document.querySelector (':root');
+            root.style.setProperty ('--ov_only_on_model_display', show ? 'inherit' : 'none');
+        }
+        
         if (uiState === OV.WebsiteUIState.Intro) {
             this.parameters.introDiv.show ();
             this.parameters.mainDiv.hide ();
+            ShowOnlyOnModelElements (false);
         } else if (uiState === OV.WebsiteUIState.Model) {
             this.parameters.introDiv.hide ();
             this.parameters.mainDiv.show ();
+            ShowOnlyOnModelElements (true);
         } else if (uiState === OV.WebsiteUIState.Loading) {
             this.parameters.introDiv.hide ();
             this.parameters.mainDiv.hide ();
+            ShowOnlyOnModelElements (false);
         }
+
         this.Resize ();
     }