Agent Skills: bootstrap-customize

This skill should be used when the user asks "how do I customize Bootstrap", "how to create a custom Bootstrap theme", "what Sass variables can I override", "how to implement dark mode in Bootstrap", "how to change Bootstrap colors", "how to override Bootstrap defaults", "how to add custom colors to Bootstrap", "how to enable Bootstrap shadows", "how to compile Bootstrap Sass", "how to use Bootstrap CSS variables", or needs help with Bootstrap theming, Sass variable overrides, CSS custom properties, or color mode implementation.