diff --git a/Viewer/css/layout.less b/Viewer/css/layout.less
index cd3d3459..f629f818 100755
--- a/Viewer/css/layout.less
+++ b/Viewer/css/layout.less
@@ -382,10 +382,14 @@ button:hover {
 /* Custom buttons... */
 
 /* XXX do we need both this and the active update??? */
-.crop-mode .buttons:not(:hover) .button.crop,
-.collection-mode .buttons:not(:hover) .button.collections {
+.crop-mode:not(.slideshow-running) .buttons:not(:hover) .button.crop,
+.collection-mode:not(.slideshow-running) .buttons:not(:hover) .button.collections {
 	opacity: 0.7;
 }
+.single-image-mode:not(.slideshow-running).crop-mode .buttons:not(:hover) .button.crop,
+.single-image-mode:not(.slideshow-running).collection-mode .buttons:not(:hover) .button.collections {
+	opacity: 0.2;
+}
 
 .buttons .button.ui-settings {
 	opacity: 0.5;
diff --git a/Viewer/package-lock.json b/Viewer/package-lock.json
index 9a0687af..df4f82b8 100755
--- a/Viewer/package-lock.json
+++ b/Viewer/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ImageGrid.Viewer.g4",
-  "version": "4.0.1a",
+  "version": "4.0.2a",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "ImageGrid.Viewer.g4",
-      "version": "4.0.1a",
+      "version": "4.0.2a",
       "dependencies": {
         "app-module-path": "^1.0.6",
         "async-json": "0.0.2",
diff --git a/Viewer/package.json b/Viewer/package.json
index 57fe6108..63549f9d 100755
--- a/Viewer/package.json
+++ b/Viewer/package.json
@@ -1,7 +1,7 @@
 {
   "name": "ImageGrid.Viewer.g4",
   "main": "index.html",
-  "version": "4.0.1a",
+  "version": "4.0.2a",
   "author": "Alex A. Naanou <alex.nanou@gmail.com> (https://github.com/flynx)",
   "contributors": [],
   "repository": "github:flynx/ImageGrid",