Answer 1

https://www.w3schools.com/cssref/pr_font_weight.asp
Font-weight basically sets the thickness of the font..Yes you can set 756 as font-weight try using it with font-size:__px to know the clear increase in thickness with increase in font-weight number.

Answer 2

with default size it may be difficult to distinguish between font-weight type bold and bolder..i mean to say try to increase font size to make clear distinguish between them..anyway you can also use word like lighter light bold etc to define font-weight

Answer 3

Test working values with his code:
https://code.sololearn.com/W6omQ7HQXF5u/?ref=app

Answer 4

No its my mistake for not mentioning font-weight..in above comment..i said font-size and instead of using font-weight i used "it"..anyway hope to meet you sometime in challanges..

Answer 5

@Sunil Thakali
No, there is no unit for font-weight and only certain integers are allowed, as you can see when using my tester with 756px.

Answer 6

i mean use both font-weight:756 with font-size:80px to be more sure about thickness

Answer 7

Oh yea sorry I read it wrongly