How to add custom fonts to WordPress in the theme.json file

This guide walks you through the process of adding custom fonts to your WordPress theme. By editing the theme.json file, you can bundle and integrate a custom font like "SpicyPizza" using the CSS @font-face rule. The tutorial covers setting up the fontFamily, fontStyle, and fontWeight properties, specifying the font's source file, and applying the custom font to specific site elements like headings. This manual method ensures that WordPress correctly uses the custom font from your theme's assets folder, enhancing your site's typography.