Remove/replace `word-wrap` property

[dancormier]

According to MDN:

The property was originally a nonstandard and unprefixed Microsoft extension called word-wrap, and was implemented by most browsers with the same name. It has since been renamed to overflow-wrap, with word-wrap being an alias.

I think we can safely ditch word-wrap for overflow-wrap everywhere and save a few bytes… cuz why not.

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