> For AI agents: the complete documentation index is available at /llms.txt, the full documentation bundle is available at /llms-full.txt.

# Styled Components Plugin

In a Modern.js application, developers can use the Styled Components plugin to utilize the styled-components library within the app, enabling CSS-in-JS functionality.

For more details, please refer to [Using CSS-in-JS](/guides/basic-features/css/css-in-js.md).