Write an article based on this "Open Firefox. Try changing a specific web page's font size. Click ☰. Click Options. Scroll down to the "Language and Appearance" section. Click Advanced…. Uncheck the "Allow pages to choose their own fonts" box. Click the "Minimum font size" drop-down box. Click a font size. Click OK. Restart Firefox."
Click or double-click the Firefox app icon, which resembles an orange fox wrapped around a blue globe. Keep in mind that, if you want to change the size of your web browser's menu items, you'll need to use your computer's Magnifier (Windows) or Zoom (Mac) feature. If you just need one specific web page to be zoomed in or out, you can use a keyboard shortcut to do so. This will only apply to the web page in question, and you may need to re-zoom if you clear your browser's cookies:  Go to the web page for which you want to change the font size. Hold down Ctrl (Windows) or ⌘ Command (Mac). Zoom in by pressing the + key while holding down Ctrl or ⌘ Command. Zoom out by pressing the - key while holding down Ctrl or ⌘ Command. It's in the top-right corner of the window. A drop-down menu will appear. This is in the drop-down menu. Doing so opens the Options page. On a Mac, you'll click Preferences in the drop-down menu. You'll find this near the top of the Options page. It's in the lower-right side of the "Language and Appearance" section. A pop-up window will appear. This is near the bottom of the pop-up window. It's in the middle of the pop-up window. Clicking it prompts a drop-down menu. In the drop-down menu, click the number you want to use for your browser's minimum font size. It's at the bottom of the window. If you choose a size higher than 24, Firefox will warn you that some pages may be impossible to use. Close and re-open Firefox to do so. This will ensure that your settings are applied to all future Firefox pages.