--- layout: docs title: Docs reference description: Examples of Bootstrap's documentation-specific components and styles. aliases: "/docsref/" toc: true robots: noindex,follow sitemap_exclude: true --- ## Buttons ## Callouts {{< callout >}} Default callout {{< /callout >}} {{< callout warning >}} Warning callout {{< /callout >}} {{< callout danger >}} Danger callout {{< /callout >}} ## Code example ```scss .test { --color: blue; } ```