Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

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

Èròjà atẹ̀lélànà yii ni a ti fi pamọ́ fọ́jọ́ pípẹ́. Jọ̀wọ́ béèrè ìbéèrè titun bí o bá nílò ìrànwọ́.

There is no browser.display.use_document_colors in my about:config - please advise.

  • 1 èsì
  • 1 ní ìṣòro yìí
  • 2 views
  • Èsì tí ó kẹ́hìn lọ́wọ́ cor-el

more options

See attached images do not display. Not even form 'boxes'

See attached images do not display. Not even form 'boxes'
Ìsopọ̀ yíyà aṣàfihàn

All Replies (1)

more options

As you can see in Tools > Options > Content > Colors, there in now an extra option for high color themes available. That has caused the pref to be replaced by another integer pref.

  • browser.display.document_color_use

0:Only with High Contrast themes; 1:Never; 2:Always