This isn't just a UI/UX skin to applied to your website. Looking for an example of what a button or other element looks like is irrelevant as it's customizable

This isn't just a UI/UX skin to applied to your website. Looking for an example of what a button or other element looks like is irrelevant as it's customizable. I personally appreciated the introduction to Custom Elements and an explanation of the philosophy of the framework. So much of what we do as developers involves tight coupling and lock-in to a full-stack.