--- title: Best practices description: Learn about some of the best practices we’ve gathered from years of working on and using Bootstrap. --- We’ve designed and developed Bootstrap to work in a number of environments. Here are some of the best practices we’ve gathered from years of working on and using it ourselves. **Heads up!** This copy is a work in progress. ### General outline - Working with CSS - Working with Sass files - Building new CSS components - Working with flexbox - Ask in [our GitHub Discussions](https://github.com/twbs/bootstrap/discussions)