Help me all types of font-family is not working

Question

https://code.sololearn.com/WXW0KDtBbI8a/?ref=app

Answer 1

@font-face {
font-family:new_name;
src: url("[file-path]\filename.ttf");
}
div{
font-family:new_name;
}

Answer 2

They are ???
Which ones are not working ?
You have a hand of it better than me !
maybe Make it more simple !
https://www.cjoint.com/c/HEuknnxp6Tw

Answer 3

Thanks kelvin