margin vs padding

1Margin is on the outside of block elements, padding is on the inside.
2
3Use margin to separate the block from things outside it
4Use padding to move the contents away from the edges of the block.
5
6Main differences:
7- Vertical margins of adjacent items will overlap, padding will not
8- Padding is included in the click region and background color/image,
9but not the margin

1padding is the space between the content and the border,
2whereas margin is the space outside the border.

1/* Answer to: "css padding vs margin" */
2
3/*
4  Margin is outer space of an element, while padding is inner space
5  of an element. Margin is the space outside the border of an
6  element, while padding is the space inside the border of it.
7  Margin accepts the value of auto: margin: auto , but you can't
8  set padding to auto.
9
10  For more information, head over to:
11  https://stackoverflow.com/questions/2189452/when-to-use-margin-vs-padding-in-css
12*/

1Margin is said to be the outer space of an element,
2the margin is the space outside of the element's border. 
3Padding is said to be the inner space of an element, 
4the padding is the space inside of the element's border.