--- a/browser/themes/shared/customizableui/panelUI.inc.css
+++ b/browser/themes/shared/customizableui/panelUI.inc.css
@@ -28,75 +28,16 @@
   --appmenu-yellow-warning-hover-color: #FFE8A2;
   --appmenu-yellow-warning-active-color: #FFE38F;
 }
 
 #PanelUI-popup #PanelUI-contents:empty {
   height: 128px;
 }
 
-#PanelUI-popup #PanelUI-contents:empty::before {
-  content: "";
-  background-image: url(chrome://browser/skin/customizableui/whimsy.png);
-  background-size: 64px 64px;
-  display: block;
-  width: 64px;
-  height: 64px;
-  position: absolute;
-  transition: transform 1s ease-out;
-  animation: whimsyMoveX 3.05s linear 0s infinite alternate,
-             whimsyMoveY 3.4s linear 0s infinite alternate;
-}
-
-#PanelUI-popup #PanelUI-contents:not(:hover):empty::before {
-  filter: grayscale(100%);
-}
-
-#PanelUI-popup #PanelUI-contents:active:empty::before {
-  animation: whimsyMoveX 3.05s linear 0s infinite alternate,
-             whimsyMoveY 3.4s linear 0s infinite alternate,
-             whimsyRotate 1s linear 0s infinite normal;
-}
-
-#PanelUI-popup #PanelUI-contents:-moz-locale-dir(rtl):empty::before {
-  animation: whimsyMoveXRTL 3.05s linear 0s infinite alternate,
-             whimsyMoveY 3.4s linear 0s infinite alternate;
-}
-
-#PanelUI-popup #PanelUI-contents:-moz-locale-dir(rtl):active:empty::before {
-  animation: whimsyMoveXRTL 3.05s linear 0s infinite alternate,
-             whimsyMoveY 3.4s linear 0s infinite alternate,
-             whimsyRotate 1s linear 0s infinite normal;
-}
-
-@media (min-resolution: 2dppx) {
-  #PanelUI-popup #PanelUI-contents:empty::before {
-    background-image: url(chrome://browser/skin/customizableui/whimsy@2x.png);
-  }
-}
-
-@keyframes whimsyMoveX {
-  /* These values are adjusted for the padding on the panel. */
-  from { margin-left: -15px; } to { margin-left: calc(100% - 49px); }
-}
-
-@keyframes whimsyMoveXRTL {
-  /* These values are adjusted for the padding on the panel. */
-  from { margin-right: -15px; } to { margin-right: calc(100% - 49px); }
-}
-
-@keyframes whimsyMoveY {
-  /* These values are adjusted for the padding and height of the panel. */
-  from { margin-top: -.5em; } to { margin-top: calc(64px - .5em); }
-}
-
-@keyframes whimsyRotate {
-  to { transform: perspective(5000px) rotateY(360deg); }
-}
-
 :root:not([uidensity=compact]):not([chromehidden~="toolbar"]) #PanelUI-button {
   margin-inline-start: 3px;
   border-inline-start: 1px solid;
   border-image: linear-gradient(transparent 4px, rgba(0,0,0,.1) 4px, rgba(0,0,0,.1) calc(100% - 4px), transparent calc(100% - 4px));
   border-image-slice: 1;
 }
 
 :root:not([uidensity=compact]):not([chromehidden~="toolbar"]) #nav-bar[brighttext] > #PanelUI-button {

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GIT binary patch
literal 0
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index 61f55f60fff5f5f044d6449bdb08d1a9def95c4a..0000000000000000000000000000000000000000
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literal 0
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--- a/browser/themes/shared/jar.inc.mn
+++ b/browser/themes/shared/jar.inc.mn
@@ -34,18 +34,16 @@
   skin/classic/browser/customizableui/empty-overflow-panel@2x.png  (../shared/customizableui/empty-overflow-panel@2x.png)
   skin/classic/browser/customizableui/density-compact.svg      (../shared/customizableui/density-compact.svg)
   skin/classic/browser/customizableui/density-normal.svg       (../shared/customizableui/density-normal.svg)
   skin/classic/browser/customizableui/density-touch.svg        (../shared/customizableui/density-touch.svg)
   skin/classic/browser/customizableui/subView-arrow-back-inverted.png  (../shared/customizableui/subView-arrow-back-inverted.png)
   skin/classic/browser/customizableui/subView-arrow-back-inverted@2x.png  (../shared/customizableui/subView-arrow-back-inverted@2x.png)
   skin/classic/browser/customizableui/subView-arrow-back-inverted-rtl.png  (../shared/customizableui/subView-arrow-back-inverted-rtl.png)
   skin/classic/browser/customizableui/subView-arrow-back-inverted-rtl@2x.png  (../shared/customizableui/subView-arrow-back-inverted-rtl@2x.png)
-  skin/classic/browser/customizableui/whimsy.png               (../shared/customizableui/whimsy.png)
-  skin/classic/browser/customizableui/whimsy@2x.png            (../shared/customizableui/whimsy@2x.png)
   skin/classic/browser/downloads/contentAreaDownloadsView.css  (../shared/downloads/contentAreaDownloadsView.css)
   skin/classic/browser/downloads/download-blocked.svg          (../shared/downloads/download-blocked.svg)
   skin/classic/browser/downloads/download-summary.svg          (../shared/downloads/download-summary.svg)
   skin/classic/browser/downloads/download-icons.svg            (../shared/downloads/download-icons.svg)
   skin/classic/browser/downloads/notification-start-animation.svg  (../shared/downloads/notification-start-animation.svg)
   skin/classic/browser/drm-icon.svg                            (../shared/drm-icon.svg)
   skin/classic/browser/fullscreen/insecure.svg                 (../shared/fullscreen/insecure.svg)
   skin/classic/browser/fullscreen/secure.svg                   (../shared/fullscreen/secure.svg)