The approach is like programing with inline-css but using classes. Once you start working, you will realize you will reuse more classes and your code will be 10

The approach is like programing with inline-css but using classes. Once you start working, you will realize you will reuse more classes and your code will be 100% redeable. Anyone coming behind your work can easily work it. Otherwise he needs to re-learn all the architectural tidbits and change it to his way to architecture it. This doesn't stop you to code small and repetitive components like "buttons". There's an article where you can see how it works.