HTML element has associated with box. The box has four parts.
|the actual of the element|
|the area between the content and the border|
|the edge of the element|
|the area between the element and similar adjacent elements|
Points to Remember
-The margin is transparent
-The border has an associated background
-The padding and the content share the background property defined for the elements.
-The margin, border and padding have a top, right, bottom, and left sub parts for which you can set individual properties.