# Theme Styling - [Cornerstone CSS](https://themes.kajabi.com/liquid/theme-styling/cornerstone-css.md): A minimal, responsive boilerplate for Kajabi Themes. - [CSS Variables](https://themes.kajabi.com/liquid/theme-styling/css-variables.md): Cornerstone introduces a new way of handling styles made possible through CSS custom properties. - [Custom Site Styles](https://themes.kajabi.com/liquid/theme-styling/custom-site-styles.md): Most CSS files in the assets folder will not target the Checkout Page or the Member Account Settings pages within a Site's theme. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://themes.kajabi.com/liquid/theme-styling.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.