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Padding

Padding is used to define a clear area inside of an elements border.
Padding is invisible and cannot be seen.
Padding can be set as one declaration or for each side individually
The options are:
(1) Length, you can set the padding as a length such as px
(2) Percentage, the padding is set as a percentage of its containing element.
(3) Inherit, the value will be inherited from its parent element.

Padding
-bottom
| -left | -right
-top