The padding property sets the padding space on all sides of an element. The padding area is the space between the content of the element and its border. Negative values are not allowed.
The padding-bottomCSS property of an element sets the height of the padding area at the bottom of an element. The padding area is the space between the content of the element and its border. Contrary to margin-bottom values, negative values of padding-bottom are invalid.
The padding-leftCSS property of an element sets the padding space required on the left side of an element. The padding area is the space between the content of the element and it's border. A negative value is not allowed.
Thepadding-rightCSS property of an element sets the padding space required on the right side of an element. The padding area is the space between the content of the element and its border. Negative values are not allowed.
The padding-topCSS property of an element sets the padding space required on the top of an element. The padding area is the space between the content of the element and its border. Contrary to margin-top values, negative values of padding-top are invalid.