Good day.
Talking about "small trick" that I learned from the
article (where he at number 10). The author proposes to highlight in the layout classes in some logically connected by context blocks. For example:
<button class="o-layout">
<div class="[ o-layout-item o-grid c-button"></div>
</button>
In his example, he allocated the block based on the fact that the classes with the prefix
o- are objects markup and classes are prefixed with
c- visual components.
Perversion or fit practice (no)? In the internal browser view created hell things like .\[., which, of course, no css, but still.