Mozilla Firefox Browser 99.0

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Firefox Browser is the latest web browser developed by the Mozilla Foundation, it is powered by the Servo web browser layout engine and the incredibly fast and smooth Photon UI. Firefox Browser is over twice as fast as the old Gecko powered Firefox, built on a completely overhauled core engine with brand new technology stolen from Mozilla's advanced research group, and graced with a beautiful new look designed to get out of the way and let you do what you do best: surf a ton of pages, open a zillion tabs, all guilt free because Firefox Browser uses less memory than the competition. Your computer will thank you.

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[InsaneAl]

It may or may not happen to you too but when I updated to 99.0,, once again the oversized spacings returned to Bookmark menus,, Right Click Menu & Firefox drop-down menus at top of page eg.. (File-Edit-View-History-Bookmarks-Tools-Help) making them far too large for comfort...!!!

Here's how I fixed it.. (I tried all 'About:Config' settings with no usable results)...

***+++ Use this method at your OWN RISK.. You can modify px sizes and/or titles to suit your needs,, AND,, be sure to make backups of any files before you edit+++***

 

Go to.. C:\Users\xxxx\AppData\Roaming\Mozilla\Firefox\Profiles\4ysxab8l.default\chrome\userChrome.css  [If the 'chrome' folder & userChrome.css don't exist, create them]. Open userChrome.css and paste the following scripts at the bottom of the file...

1). This is for the bookmarks & right click menus fix only - Modify '0px' to suit your needs
--------------------------------------------------------------------------------------

/* Bookmark menu */
#PlacesToolbarItems .bookmark-item {
  padding-top: 0px !important;
  padding-bottom: 0px !important;
}

/* Right-click menu */
menupopup#contentAreaContextMenu menu,
menupopup#contentAreaContextMenu menuitem {
  padding-top: 0px !important;
  padding-bottom: 0px !important;
}

 

2).  This one fixes drop-down menus but may go too far for the 2 above (Modify 'px' to suit) found here - https://www.userchrome.org/firefox-89-styling-proton-ui.html
-----------------------------------------------------------------------------------------------------------------------------------------------------------------

 

/*** Tighten up drop-down/context/popup menu spacing (8 Sep 2021) ***/

menupopup:not(.in-menulist) > menuitem,
menupopup:not(.in-menulist) > menu {
  padding-block: 4px !important; /* reduce to 3px, 2px, 1px or 0px as needed */
  min-height: unset !important; /* v92.0 - for padding below 4px */
}
:root {
  --arrowpanel-menuitem-padding: 4px 8px !important;

}

 

Use any combination of the above scripts and edit any px sizes to suit your needs.

I make no claim to these scripts being my own work. They are other peoples efforts, I just searched and found them over time, so like me, if you can use them just be thankful to them.

There are no doubt other fixes but this worked for me, so good luck,,,

InsaneAl