How is the icon font connected in this example?

Question

css

Actually, I'm racking my brains on how the icon font is connected on this template (example)
www.templatemonster.com/ru/demo/53313.html
Namely, these:

Or these:

I just didn't find anything in the head, I deleted it by line of code, too, without options... .

Answer 1

CSS with fonts is pulled by import at the very beginning of the style.css file

Answer 2

I won’t tell you about the first ones, but about the second ones they look like vector glyph icons =)