Other people have noted that your `style` example isn't responsive, but on top of that, there's nothing stopping you (or a collaborator) from writing `style="wi

Other people have noted that your `style` example isn't responsive, but on top of that, there's nothing stopping you (or a collaborator) from writing `style="width:26px;"` somewhere else in the app. Having a restricted set of options helps enforce consistency across a project and gives you a much nicer look by default. This is especially useful for devs doing frontend work without a strong design background.