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Firefox ignores css style for all menu backgrounds after upgrade to v152

I have been using my userchrome.css for many years. However, now Firefox ignores css style for all menu backgrounds after upgrading to v152. Here is my current userchrome… (xem thêm)

I have been using my userchrome.css for many years.

However, now Firefox ignores css style for all menu backgrounds after upgrading to v152.

Here is my current userchrome.css text: /*tighten drop down menus*/ menupopup > menuitem, menupopup > menu {

 padding-block: 1px !important;

}

root {
 --arrowpanel-menuitem-padding: 1px 1px !important;

}

/* changed this block ----------------------------------------------------*/ /* #bookmarksMenuPopup hbox {background:#CD5C5C !important;} */ /* /Change highlighted menu text to any color:/ */ /* menupopup > menu[_moz-menuactive="true"], */ /* menupopup > menuitem[_moz-menuactive="true"], */ /* popup > menu[_moz-menuactive="true"], */ /* browsermessage,notification .notification-inner{ border-color: red !important;} */ /* browsermessage, notification{ background-color: red !important;} */ /* menupopup { */ /* -moz-appearance: none !important; */ /* background-color: #CD5C5C !important } */

  1. bookmarksMenuPopup { --panel-background: #CD5C5C !important;}

menupopup > menu[_moz-menuactive="true"], menupopup > menuitem[_moz-menuactive="true"], popup > menu[_moz-menuactive="true"], browsermessage,notification .notification-inner{ border-color: red !important;} browsermessage, notification{ --panel-background: red !important;} menupopup {-moz-appearance: none !important; --panel-background: #CD5C5C !important }

/* other bookmarks */

  1. menu_unsortedBookmarks,
  2. menu_mobileBookmarks,
  3. bookmarksMenuItemsSeparator{

display: none !important; }

/* hide Bookmarks Toolbar Folder */

  1. bookmarksToolbarFolderMenu, #bookmarksToolbarFolderMenu+menuseparator {display: none !important;}

menupopup > menuitem, menupopup > menu { /* color of the text */ color: red !important; }

menupopup > :is(menuitem, menu):hover {

 background-color: lightskyblue !important;

} ((

menupopup:not(.in-menulist) > menuitem, menupopup:not(.in-menulist) > menu {

 color: white !important;

}

/* Global UI font */

  • {font-size: 14pt !important;

font-weight: bold !important;}

However, now all my menu backgrounds (e.g File, Edit, Bookmarks, etc, see attached screenshot) are black with a see through background.

I would like to return to my original menu settings backgrounds. How do I do it please?

Thanks in advance.

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Is it possible to make Windows 11 Firefox use separate icons on the taskbar like Chrome does?

On Chrome, if you have multiple profiles open on a Windows 11 PC, they each show up on the taskbar as separate things with the Chrome logo. Meanwhile, with Firefox, separ… (xem thêm)

On Chrome, if you have multiple profiles open on a Windows 11 PC, they each show up on the taskbar as separate things with the Chrome logo. Meanwhile, with Firefox, separate profiles open windows on the same taskbar icon and simply switch the profile icon. The picture gives an example of what I mean. I've censored some stuff on it, but know that the stuff in white is in one profile while the other has the stuff in black. The gray is unrelated stuff. Claude says Chrome does this by giving each profile a separate AppUserModelID, whatever that is. Is it possible to do the same in Firefox?

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'Image preview' hovering

My cursor doesn't show an 'image preview' anymore when I hover over a tab even though I still have it checked in my settings. It always did until a few days ago, but now … (xem thêm)

My cursor doesn't show an 'image preview' anymore when I hover over a tab even though I still have it checked in my settings. It always did until a few days ago, but now it doesn't & I haven't changed anything.

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Customized Toolbar Reset to default after restart the firefox

Hello. I added some controls like zoom control to firefox toolbar and it's work while firefox is opened. after closing and re-opening the firefox, those controls will dis… (xem thêm)

Hello. I added some controls like zoom control to firefox toolbar and it's work while firefox is opened. after closing and re-opening the firefox, those controls will disappear. what's the problem?

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How to move home page display an inch higher; 4 rows had previously been in middle of the screen.

My home page moved down from its previous position in the middle of the screen. I have to scroll down to bring it up. I have gone through all settings [including Zoom; re… (xem thêm)

My home page moved down from its previous position in the middle of the screen. I have to scroll down to bring it up. I have gone through all settings [including Zoom; remove "Use recommended performance settings" and " Use hardware acceleration when available" and nothing changes it back. No other application on my computer is misaligned. I have no idea why it moved or how to get it back to normal.

Đã giải quyết 1 9

Some sites/pages have messed up characters

See attachment, some sites are not loading correctly at all, which ironically includes the mozilla sign in page. I also noticed it on camelcamelcamel.com. See attachments… (xem thêm)

See attachment, some sites are not loading correctly at all, which ironically includes the mozilla sign in page. I also noticed it on camelcamelcamel.com. See attachments.

I already tried clearing cookies etc. Unchecking the "allow sites to choose their own fonts" fixes it but obviously I don't really want that disabled. I switched off Chrome recently so I'm already quite disappointed tbh.

Đang mở 7 9

orange cast on firefox home screen and cannot turn night light off

Since the last Firefox update circa 5/18/2026 there is an orange cast on the home screen. toggling the hardware acceleration on or off makes no difference. Cannot find ni… (xem thêm)

Since the last Firefox update circa 5/18/2026 there is an orange cast on the home screen. toggling the hardware acceleration on or off makes no difference. Cannot find night light on/off in settings.

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