●Create an effective folder structure that is easy to manage.●Follow patterns that are easy to understand.●Separate UI logic from business logic as much as possible.●Ensure that new styles have a clear future position.●It should not slow down the loading of the page.●Do not include any style rules that are not in use.●Support a wide range of devices and browser versions while using the least amount of code possible.●Maintain up-to-date documentation.●Make sure to test your code and put up listing rules.