1 files changed, 1 insertions, 76 deletions
diff --git a/browser/base/content/browser.css b/browser/base/content/browser.css
index 8a2a202809..c9ebddb7f5 100644
--- a/browser/base/content/browser.css
+++ b/browser/base/content/browser.css
@@ -115,6 +115,7 @@ panelview:not([visible]) {
   flex-shrink: 0;
   min-width: 0;
   min-height: 0;
+  max-height: 100%;
 }
 
 .panel-viewcontainer[panelopen] {
@@ -934,82 +935,6 @@ toolbarpaletteitem[place="palette"] > #downloads-button > .toolbarbutton-badge-s
   display: none;
 }
 
-@media (-moz-panel-animations) and (prefers-reduced-motion: no-preference) {
-@media (-moz-platform: macos) {
-  /* On Mac, use the properties "-moz-window-transform" and "-moz-window-opacity"
-     instead of "transform" and "opacity" for these animations.
-     The -moz-window* properties apply to the whole window including the window's
-     shadow, and they don't affect the window's "shape", so the system doesn't
-     have to recompute the shadow shape during the animation. This makes them a
-     lot faster. In fact, Gecko no longer triggers shadow shape recomputations
-     for repaints.
-     These properties are not implemented on other platforms. */
-  #BMB_bookmarksPopup:not([animate="false"]) {
-    transition-property: -moz-window-transform, -moz-window-opacity;
-    transition-duration: 0.18s, 0.18s;
-    transition-timing-function:
-      var(--animation-easing-function), ease-out;
-  }
-
-  /* Only do the fade-in animation on pre-Big Sur to avoid missing shadows on
-   * Big Sur, see bug 1672091. */
-  @media (-moz-mac-big-sur-theme: 0) {
-    #BMB_bookmarksPopup:not([animate="false"]) {
-      -moz-window-opacity: 0;
-      -moz-window-transform: translateY(-70px);
-    }
-
-    #BMB_bookmarksPopup[side="bottom"]:not([animate="false"]) {
-      -moz-window-transform: translateY(70px);
-    }
-  }
-
-  /* [animate] is here only so that this rule has greater specificity than the
-   * rule right above */
-  #BMB_bookmarksPopup[animate][animate="open"] {
-    -moz-window-opacity: 1.0;
-    transition-duration: 0.18s, 0.18s;
-    -moz-window-transform: none;
-    transition-timing-function:
-      var(--animation-easing-function), ease-in-out;
-  }
-
-  #BMB_bookmarksPopup[animate][animate="cancel"] {
-    -moz-window-opacity: 0;
-    -moz-window-transform: none;
-  }
-}
-@media not (-moz-platform: macos) {
-  #BMB_bookmarksPopup:not([animate="false"]) {
-    opacity: 0;
-    transform: translateY(-70px);
-    transition-property: transform, opacity;
-    transition-duration: 0.18s, 0.18s;
-    transition-timing-function:
-      var(--animation-easing-function), ease-out;
-    will-change: transform, opacity;
-  }
-
-  #BMB_bookmarksPopup[side="bottom"]:not([animate="false"]) {
-    transform: translateY(70px);
-  }
-
-  /* [animate] is here only so that this rule has greater specificity than the
-   * rule right above */
-  #BMB_bookmarksPopup[animate][animate="open"] {
-    opacity: 1.0;
-    transition-duration: 0.18s, 0.18s;
-    transform: none;
-    transition-timing-function:
-      var(--animation-easing-function), ease-in-out;
-  }
-
-  #BMB_bookmarksPopup[animate][animate="cancel"] {
-    transform: none;
-  }
-}
-}
-
 /* Apply crisp rendering for favicons at exactly 2dppx resolution */
 @media (resolution: 2dppx) {
   .PanelUI-remotetabs-clientcontainer > toolbarbutton > .toolbarbutton-icon,