Border-size vs border - width

Question

When to use border-size and when to use border-width , what is the difference of each .

Answer 1

Hi!
Border-size is not a good style attribut (not recognize or maybe in old version).
The correct attribut is border-width.
For more details, look here :
https://www.w3schools.com/cssref/pr_border-width.asp

Answer 2

Thank you.