CSS GUIDE MARGIN
Contents
Summary
The margin property is used for setting the four margins in one declaration.
Inherited: No
Syntax
TARGET_ELEMENT {margin: 10px}
Legal Values
Values can be specified as pixels (px) or percentage (%)
Sets the properties for the margins. The values comes in % (defines a margin in % of the total height/width of the document), length (defines a fixed margin), and auto (the browser sets a margin).
Negative values are allowed.