In a detailed exploration of styling methods with Gatsby, the text discusses various approaches and tools available for developers to apply styles to their Gatsby projects. Gatsby, a fast framework that abstracts common tasks into an easy-to-use API, offers support for numerous styling options, including Global CSS, CSS Modules, Stylus, SCSS, SASS, Emotion, Styled Components, Bulma, and Less. The guide covers the nuances of setting up and configuring these methods, emphasizing the importance of understanding Gatsby's configuration files like gatsby-config.js and gatsby-browser.js. It also touches on the use of plugins, akin to npm packages for Node projects, to extend functionality without reinventing the wheel. The text provides practical examples of how each styling method can be implemented in a fictional landing page, while also mentioning additional tools like Tailwind CSS, Styled JSX, and PostCSS, which require further setup. In conclusion, it advises developers on the practicalities of combining multiple CSS methods in a project and suggests tools like LogRocket for error tracking and performance monitoring.