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Disable Reader View Toolbar After FF69

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When I enable reader mode there is a small floating toolbar I find distracting. I would like to turn it off.

I found two previous questions on this topic but neither of them worked for me.

https://support.mozilla.org/en-US/questions/1082202 https://support.mozilla.org/en-US/questions/1209287

Modified by Michael Ulmen

Chosen solution

Answering my own question because the existing questions are locked.

Starting in Firefox 69 userContent.css is not loaded at startup to improve performance. This can be changed by setting toolkit.legacyUserProfileCustomizations.stylesheets True in about:config. Per https://www.ghacks.net/2019/05/24/firefox-69-userchrome-css-and-usercontent-css-disabled-by-default/

Complete steps to hide the control panel, with thanks to previous questions and answers:

  • Find your default profile directory at Help > Troubleshooting Information > Profile Directory
  • If it does not exist create a directory called chrome in the default profile directory.
  • Create a file called userContent.css in the chrome directory with the following content:

.toolbar { visibility: hidden !important; }

  • In Firefox go to about:config and set toolkit.legacyUserProfileCustomizations.stylesheets to True.
  • Restart Firefox
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Chosen Solution

Answering my own question because the existing questions are locked.

Starting in Firefox 69 userContent.css is not loaded at startup to improve performance. This can be changed by setting toolkit.legacyUserProfileCustomizations.stylesheets True in about:config. Per https://www.ghacks.net/2019/05/24/firefox-69-userchrome-css-and-usercontent-css-disabled-by-default/

Complete steps to hide the control panel, with thanks to previous questions and answers:

  • Find your default profile directory at Help > Troubleshooting Information > Profile Directory
  • If it does not exist create a directory called chrome in the default profile directory.
  • Create a file called userContent.css in the chrome directory with the following content:

.toolbar { visibility: hidden !important; }

  • In Firefox go to about:config and set toolkit.legacyUserProfileCustomizations.stylesheets to True.
  • Restart Firefox

Modified by Michael Ulmen

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