This article describes how to customize the way you see web pages by choosing your preferred font styles and colors.

Changing Font

To change the font:

1. In the Menu bar at the top of the screen, click Firefox and select Preferences.Click the menu button and select Settings.
2. In the General panel, go down to Language and Appearance.
3. Under Fonts and ColorsFonts, use the drop-down menus to select the font and font size of your choice.

   

4. Close the about:preferences page. Any changes you've made will automatically be saved.

Custom Fonts

Some websites have custom fonts; to disable them:

1. In the Menu bar at the top of the screen, click Firefox and select Preferences.Click the menu button and select Settings.
2. In the General panel, go down to Language and Appearance.
3. Under Fonts and ColorsFonts, click the Advanced… button.

   

4. In the Fonts dialog that opens, uncheck Allow pages to choose their own fonts, instead of your selections above.

   

5. Click OK to close the Fonts window.
6. Close the about:preferences page. Any changes you've made will automatically be saved.

Other settings for Fonts

1. From the Fonts for drop-down list in the Fonts dialog, choose a language group/script.
   • For instance, to set default fonts for the West European languages/scripts (Latin), choose Latin. For a language/script not in the list, choose Other Writing Systems.
2. Select whether proportional text should be serif (like "Times New Roman") or sans-serif (like "Arial"). Then specify the font size you want for proportional text.
3. Specify the font to use for Serif, Sans-serif and Monospace fonts. You can also change the size for Monospace fonts.

You can also set the minimum web page font size. This is useful to prevent sites from using overly small fonts that are barely readable.

• Text Encoding for Legacy Content: The text encoding selected here will be used to display pages that don't specify which encoding to use.

Change Font Color

To change the font color:

1. In the Menu bar at the top of the screen, click Firefox and select Preferences.Click the menu button and select Settings.
2. In the General panel, go down to Language and Appearance.
3. Under Fonts and ColorsColors, click the Colors…Manage Colors… button.

   

4. Clicking on any of the colored rectangles will show you the possible colors you can choose from. Select the color you want by clicking one of the colored rectangles.

   

5. Click OK to close the Colors window.
6. Close the about:preferences page. Any changes you've made will automatically be saved.

Custom Font Color

Some websites have custom font colors, to disable them:

1. In the Menu bar at the top of the screen, click Firefox and select Preferences.Click the menu button and select Settings.
2. In the General panel, go down to Language and Appearance.
3. Under Fonts and ColorsColors, click the Colors…Manage Colors… button.
4. In the window that opens, use the drop-down menu to set Override the colors specified by the page with my selections above to Always.

   

5. Click OK to close the Colors window.
6. Close the about:preferences page. Any changes you've made will automatically be saved.

Other settings for Colors

Text and Background: Here you can change the default text and background color to be used on PDFs opened in Firefox and web pages that haven't specified that information. Click on the color samples to select colors.

• Use system colors: Check this optionpreference to use the colors defined in your operating system settings instead of the colors specified above.

Link Colors: Here you can change the default colors for Web links. Click on the color samples to select colors.

• Underline links: By default, links are underlined on web pages. Uncheck this optionpreference to disable this. Note that many sites specify their own styling rules and this optionpreference has no effect on those sites.
• Override the colors specified by the page with your selections above:
  • Always: Select this optionpreference to force all sites and PDFs opened in Firefox to use your default colors.
  • Only with High Contrast themes: This optionpreference will make Firefox use the colors specified by the web page author, except when you are using a High Contrast WindowsLinux theme.
  • Never: Select this optionpreference to make Firefox use the colors specified by the web page author.

Zoom

Firefox also includes a Zoom. This allows you to increase the size of text on any web page. For instructions, see Font size and zoom - increase the size of web pages.