diff --git a/css/logo-nav.css b/css/logo-nav.css
index 65a4198f..f369d37a 100755
--- a/css/logo-nav.css
+++ b/css/logo-nav.css
@@ -470,20 +470,17 @@ body {
 }
 
 .greydout {
-    -moz-opacity: .065;
-    -webkit-opacity: 0.065;
-    opacity: 0.65;
-    -webkit-transition: all .5s ease;
-    -moz-transition: all .5s ease;
-    -ms-transition: all .5s ease;
-    -o-transition: all .5s ease;
-    transition: all .5s ease;
+    -webkit-transition: all .05s ease;
+    -moz-transition: all .05s ease;
+    -ms-transition: all .05s ease;
+    -o-transition: all .05s ease;
+    transition: all .05s ease;
 }
 
 .greydout:hover {
-    -webkit-opacity: 1;
-    -moz-opacity: 1;
-    opacity: 1;
+    -webkit-opacity: 0.65;
+    -moz-opacity: 0.65;
+    opacity: 0.65;
 }
 
 /* JupyterHub section on front page */