--- a/browser/base/content/browser.css
+++ b/browser/base/content/browser.css
@@ -917,21 +917,21 @@ chatbox:-moz-full-screen-ancestor > .cha
 }
 
 /* Give this menupopup an arrow panel styling */
 #BMB_bookmarksPopup {
   -moz-appearance: none;
   -moz-binding: url("chrome://browser/content/places/menu.xml#places-popup-arrow");
   background: transparent;
   border: none;
-  transform: scale(.1);
+  transform: scale(.7);
   opacity: 0;
   transition-property: transform, opacity;
-  transition-duration: 0.25s;
-  transition-timing-function: cubic-bezier(.6, 1.0, .65, 1.0), ease;
+  transition-duration: 0.15s;
+  transition-timing-function: ease;
   /* The popup inherits -moz-image-region from the button, must reset it */
   -moz-image-region: auto;
 }
 
 #BMB_bookmarksPopup[animate="open"] {
   transform: none;
   opacity: 1.0;
 }
@@ -949,22 +949,22 @@ chatbox:-moz-full-screen-ancestor > .cha
 }
 
 #BMB_bookmarksPopup[arrowposition="before_end"] {
   transform-origin: calc(100% - 20px) bottom;
 }
 
 #BMB_bookmarksPopup[arrowposition="after_start"][animate="cancel"],
 #BMB_bookmarksPopup[arrowposition="before_end"][animate="cancel"] {
-  transform: scale(.1) skew(30deg, 20deg);
+  transform: scale(.7) skew(30deg, 20deg);
 }
 
 #BMB_bookmarksPopup[arrowposition="after_end"][animate="cancel"],
 #BMB_bookmarksPopup[arrowposition="before_start"][animate="cancel"] {
-  transform: scale(.1) skew(-30deg, -20deg);
+  transform: scale(.7) skew(-30deg, -20deg);
 }
 
 
 /* Customize mode */
 #navigator-toolbox,
 #browser-bottombox,
 #content-deck {
   transition-property: margin-left, margin-right;