Sometimes web page designers make interesting choices. Why not use tiny, fancy type on a shaded background to make reading a page more…legible? Apple’s built-in Reader View in Safari across all its platforms lets you make short work of hard-to-read type. But you lose most of the formatting, some of the images, and other elements of the page.
Safari for macOS has another trick up its sleeve: custom CSS. Where HTML defines the structure and content of a web page, CSS (Cascading Style Sheets) is the coding that underlies the appearance and formatting, from type sizes to columns and floating boxes. In Safari > Preferences > Advanced, you can select a custom style sheet from the Style Sheet pop-up menu.
