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SORRY. I disagree. Nonsemantic classnames that refer to visual styles will always be a bad idea.
I’m sure you’re a good coder. Probably much better than I am these days. I know most of you weren’t around for the standards wars and don’t know how much damage non-semantic HTML and CSS did to the web.
I’ve worked on big sites and I understand how bloated and non-reusable code can get when a dozen people who don’t talk to each other work on it over a period of years. I don’t believe the problem is the principle of semantic markup or the cascade in CSS. I believe the problem is a dozen people working on something without talking to each other.
Slapping a visually named class on every item in your markup may indeed make your HTML easier to understand for a future developer who takes over without talking to you, especially if you don’t document your work and create a style guide. But making things easier for yourself and other developers is not your job. And if you want to make things easier for yourself and other developers, talk to them, and create a style guide or pattern library.
The codebase on big sites isn’t impenetrable because developers slavishly followed arbitrary best practices. The codebase is broken because developers don’t talk to each other and don’t make style guides or pattern libraries. And they don’t do those things because the people who hire them force them to work faster instead of better. It starts at the top.
Employers who value quality in CSS and markup will insist that their employees communicate, think through long-term implications, and document their work. Employers who see developers and designers as interchangable commodities will hurry their workers along, resulting in bloated codebases that lead intelligent people to blame best practices instead of work processes.
The present is always compromised, always rushed. We muddle through with half the information we need, praised for our speed and faulted when we stop to contemplate or even breathe. Frameworks built on newish worst practices seem like the way out, but they end up teaching and permanently ingraining bad habits in a generation of web makers. Semantics, accessibility, and clarity matter. Reusability is not out of reach. All it takes is clarity and communication.