You can customize the toolbar by adding or removing buttons, using large or small icons and showing or hiding the label text.
Click Toolbars in the View menu and choose Customize.
In case of visual impairment, you can add the Size button to be able to quickly change the font size.
If you use a screen reader, we recommend that you select Small icons in the Icon options list and No text labels in the Text options list to increase screen space for web content