# Fashion Police > Sweatpants are a sign of defeat. > — Karl Lagerfeld KissKissBankBank's guide for maintaining a common code style. ## Ruby Follow the [Ruby Style Guide](https://github.com/rubocop-hq/ruby-style-guide) with our custom [`.rubocop.yml`](https://github.com/KissKissBankBank/fashion_police/blob/master/.rubocop.yml). To use it in your project, add to your `Gemfile`: ```rb # KissKissBankBank's shared style configuration gem 'fashion_police', require: false ``` Then, add to your `.rubocop.yml`: ```yml inherit_gem: fashion_police: - .rubocop.yml ``` ## JavaScript Follow Airbnb's [JavaScript](https://github.com/airbnb/javascript) guide. ## CSS Follow Airbnb's [CSS](https://github.com/airbnb/css) guide. ## General - All comments, commits, committed documentation should be written in English.