fix various layout issues ff 113+ #88

chrome/global/popup.css

@@ -73,7 +73,7 @@
 /* firefox profile avatar in appmenu */
 #appMenu-fxa-label2::before {
   content: "";
-  display: -moz-box;
+  display: flex;
   height: 16px;
   width: 16px;
   background: var(--avatar-image-url) 0/16px;
@@ -311,6 +311,7 @@
 }
 
 #PopupAutoComplete .autocomplete-richlistitem[originaltype="loginsFooter"] {
+  justify-content: start !important;
   -moz-box-pack: start !important;
   color: inherit !important;
   background-color: transparent !important;
@@ -571,7 +572,7 @@ panelview .toolbarbutton-1,
   }
 
   menuitem:is([type="checkbox"], [checked="true"], [type="radio"])>.menu-iconic-left>.menu-iconic-icon {
-    display: -moz-box !important;
+    display: flex !important;
   }
 
   menuitem[checked="true"]>.menu-iconic-left,
@@ -597,6 +598,7 @@ panelview .toolbarbutton-1,
   }
 
   #context-navigation>.menuitem-iconic {
+    justify-content: center !important;
     -moz-box-pack: center !important;
   }
 

chrome/global/tweaks.css

@@ -217,11 +217,12 @@ bugs with certain themes eg. dark text on dark background.) */
       }
 
       #context-navigation>.menuitem-iconic {
+        justify-content: start !important;
         -moz-box-pack: start !important;
       }
 
       #context-navigation .menu-iconic-text {
-        display: -moz-box !important;
+        display: flex !important;
       }
 
       :root,
@@ -280,6 +281,6 @@ bugs with certain themes eg. dark text on dark background.) */
 
 @supports -moz-bool-pref("uc.tweak.show-tab-close-button-on-hover") {
   #tabbrowser-tabs[closebuttons="activetab"] .tabbrowser-tab:not([pinned], [selected]):hover .tab-close-button {
-    display: -moz-box !important;
+    display: flex !important;
   }
 }

chrome/toolbar/navbar.css

@@ -41,6 +41,7 @@
 }
 
 #fxa-toolbar-menu-button {
+  display: flex !important;
   display: -moz-box !important;
 }
 

chrome/toolbar/tabbar.css

@@ -273,7 +273,7 @@
 }
 
 .titlebar-spacer[type="post-tabs"] {
-  display: -moz-box !important;
+  display: flex !important;
 }
 
 .titlebar-spacer[type="pre-tabs"],

chrome/toolbar/urlbar.css

@@ -123,6 +123,7 @@
 #tracking-protection-icon-container,
 #page-action-buttons {
   -moz-box-ordinal-group: 2 !important;
+  order: 2 !important;
 }
 
 #urlbar-container:not(:hover) #tracking-protection-icon-container:not([open]) {