--- a/browser/extensions/activity-stream/data/content/activity-stream.css
+++ b/browser/extensions/activity-stream/data/content/activity-stream.css
@@ -197,17 +197,17 @@ main {
   text-transform: uppercase; }
   .section-title span {
     color: #737373;
     fill: #737373;
     vertical-align: middle; }
 
 .body-wrapper {
   opacity: 0;
-  transition: opacity 0.1s ease-in-out; }
+  transition: opacity 75ms ease-in-out 125ms; }
   .body-wrapper.on {
     opacity: 1; }
 
 .top-sites-list {
   list-style: none;
   margin: 0;
   margin-bottom: -18px;
   padding: 0;