use "sass": ```css @use "sass:math"; @use "colors"; @use "mixins"; @use "functions"; .mainContent { background: colors.$red; flex: 1; } ``` use: ```tsx import { type JSXElement } from "solid-js"; import style from "./MainContent.module.scss"; interface MainContentUIProps { children: JSXElement; [key: string]: unknown; } const MainContentUI = ({children, ..._rest}: MainContentUIProps) => { return ( <div class={style.mainContent}> {children} </div> ); }; export default MainContentUI; ``` <style/> inserted above a component when it is used in the format <Main>{children}</Main>, but not when used as <Main />