Quotes are completely optional on attribute values in HTML5 if the value doesn't have certain characters like spaces which will require quoting

I've found this article a handy reference on all the stuff it's safe to leave out

https://meiert.com/en/blog/optional-html/

Nah it's a stylistic thing. It's so that you can see the `=htmz>` logo in code if you order the target attribute last :D

:O