auto is replaced by some suitable value, e.g.
auto is replaced by some suitable value, e.g. it can be used for centering of blocks.
MDN
CSS property name, e.g.
CSS property name, e.g. "background-color"
Javascript property name for this CSS property, e.g.
The margin CSS property sets the margin for all four sides. It is a shorthand to avoid setting each side separately with the other margin properties: margin-top, margin-right, margin-bottom and margin-left.
Negative values are also allowed.
MDN