How can I customize the appearance of Mozilla Firefox?

Customizing the appearance of Mozilla Firefox can greatly enhance your browsing experience. Users have several options available to modify how the browser looks. First, one can change themes. Mozilla offers a variety of themes, which can easily be accessed through the Add-ons menu. Users can select from light, dark, or colorful themes to suit their preferences. Additionally, Firefox allows users to install add-ons that might provide even further customization options. There are numerous add-ons available that can change the appearance of the browser interface, such as those that modify the toolbar or the tab design. Another way to customize is through the built-in settings. Users can adjust the size of text and icons, as well as modify the layout of toolbars. Firefox's 'Customize' mode provides a drag-and-drop interface for rearranging icons. Lastly, for more advanced users, custom CSS can be applied for deeper visual adjustments. It is advisable to refer to current resources on the Mozilla web page for detailed instructions on utilizing these features and exploring further customization options.