Sphinx_rtd_theme is a Sphinx theme that provides a responsive, reader-friendly design for documentation on both desktop and mobile devices.
The theme addresses the need for professional-looking, accessible documentation by offering a carefully designed visual presentation optimized for readability across different screen sizes. It was originally created for Read the Docs but works with any Sphinx project. Installation is straightforward through pip, requiring only a single configuration line in a project's conf.py file to activate.
The theme suits any Sphinx-based documentation project where presentation quality matters. It is particularly well-suited for projects hosted on Read the Docs, though it functions independently. The tool is highly customizable at both page and global levels, allowing teams to adapt the appearance to their needs without forking the codebase. A working demo and example documentation are available to evaluate the theme's output before adoption.
The project maintains active development with continuous integration testing. Contributions are welcomed through a documented contributing guide. The theme explicitly defines supported browser and operating system combinations as well as supported versions of Python and Sphinx, providing clarity on compatibility expectations for users.