Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

reader view, hide left panel

  • 1 reply
  • 2 have this problem
  • 676 views
  • Last reply by cor-el

more options

I would like to hide the left panel present in reader view mode. Setting reader.toolbar.vertical to false in about:config does nothing after restart. How to hide this panel on the left? CSS or something?

Chosen solution

You can add code to the userContent.css file.


#reader-toolbar { display:none !important; }

The customization files userChrome.css (user interface) and userContent.css (websites) are located in the chrome folder in the Firefox profile folder.

You can use this button to go to the current Firefox profile folder:

  • Create the chrome folder (lowercase) in the <xxxxxxxx>.default profile folder if this folder doesn't exist
  • Use a plain text editor to create userContent.css file in the chrome folder (file name is case sensitive)
  • Paste the code in the userContent.css file
  • Save the file as userContent.css in the chrome folder
Read this answer in context 👍 1

All Replies (1)

more options

Chosen Solution

You can add code to the userContent.css file.


#reader-toolbar { display:none !important; }

The customization files userChrome.css (user interface) and userContent.css (websites) are located in the chrome folder in the Firefox profile folder.

You can use this button to go to the current Firefox profile folder:

  • Create the chrome folder (lowercase) in the <xxxxxxxx>.default profile folder if this folder doesn't exist
  • Use a plain text editor to create userContent.css file in the chrome folder (file name is case sensitive)
  • Paste the code in the userContent.css file
  • Save the file as userContent.css in the chrome folder