On emoji use to convey intent and as a body language/facial expression substitute (45% of emoji use is 😀!) https://m.nautil.us/issue/50/emergence/why-you-need-emoji
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"it’s safer to add or remove classes on a specific HTML node than to add or remove styles in a class that applies on many elements"
A defence of utility-first CSS, and how semantic classes can convey less information:
