Font-
This is used to set the weight (thickness) of text characters.
Certain weights may be unavailable, when this happens the browser will compensate by finding the nearest
available weight.
There are six available options for this:
(1) Normal, text will be displayed as normal
(2) Bold, text will be displayed as bold
(3) Bolder, text will be shown as bolder than its parent element
(4) Lighter, text will be shown as lighter than its parent element
(5) A numerical value, either: 100,200,300,400,500,600,700,800, or 900.
700 is equal to bold, and 400 is equal to normal.
(6) Inherit, The value is inherited from its parent element.