Type about:preferences#general<enter> in the address bar. Across from fonts and colors, press the Advanced button. On the bottom, turn on Allow Web Sites To Choose Their Own.

Make sure you haven't enabled a High Contrast theme in the OS settings.

Also see: https://support.mozilla.org/en-US/search/advanced?q=fonts&language=en-US&product=firefox&sortby_documents=relevance&a=1&w=1

Can you show a screenshot from another browser of how this is supposed to show?

Note that this can possibly be a problem with the font that is used.

You can right-click and select "Inspect Element" to open the builtin Inspector with this element selected.

• https://developer.mozilla.org/en-US/docs/Tools/Page_Inspector/How_to/Examine_and_edit_HTML

You can check in the Rules tab in the right panel in the Inspector what font-family is used for selected text. You can check in the Font tab in the right panel in the Inspector what font is actually used because Firefox might be using a different font than specified by the website.

• https://developer.mozilla.org/en-US/docs/Tools/Page_Inspector/How_to/Edit_fonts

Type about:preferences#general<enter> in the address bar. Across from fonts and colors, press the Advanced button. On the bottom, turn on Allow Web Sites To Choose Their Own. Make sure you haven't enabled a High Contrast theme in the OS settings. Also see: https://support.mozilla.org/en-US/search/advanced?q=fonts&language=en-US&product=firefox&sortby_documents=relevance&a=1&w=1

hey man FredMcD, it does not work.

Can you show a screenshot from another browser of how this is supposed to show? Note that this can possibly be a problem with the font that is used. You can right-click and select "Inspect Element" to open the builtin Inspector with this element selected.

• https://developer.mozilla.org/en-US/docs/Tools/Page_Inspector/How_to/Examine_and_edit_HTML

You can check in the Rules tab in the right panel in the Inspector what font-family is used for selected text. You can check in the Font tab in the right panel in the Inspector what font is actually used because Firefox might be using a different font than specified by the website.

• https://developer.mozilla.org/en-US/docs/Tools/Page_Inspector/How_to/Edit_fonts

hey Mr. cor-el Top 10 Contributor Moderator, I am giving the screenshot. First one - screenshot of selected page from firefox browser in ubuntu os. Second one - it is supposed to show like this type ( screenshot of same page from chrome browser in ubuntu os ). Added below.