CSS property: -webkit-box-sizing
    Description
Specifies that the size of a box be measured according to either its content (default) or its total size including borders.
Syntax
-webkit-box-sizing: <sizing_model>;
Values
- <sizing_model>
- The model by which the size of the box is measured. - border-box - The box size includes borders in addition to content. - content-box (by default) - The box size only includes content.