Relationship between width and height and box-sizing: border-box and content-box, bordersizing
The content-box width and height of the default width and height.
Box-sizing is often usedSet the area specified by width and height
Box-sizing is often used for Adaptive Layout.
Syntax:
Box-sizing: Content-box | border-box
Default Value: Content-box
Applicable: All elements that accept <'width'> and <'height'>
Inheritance: None
Animation: No
Calculated value: Value:
-
Content-box:
-
Padding and border are not included in the defined width and height. The actual width of the object is equal to the sum of the Set width value and border and padding, that is, (Element width = width + border + padding)
-
This attribute is represented in the Box Model in standard mode.
-
Border-box:
-
Padding and border are included in the defined width and height. The actual width of the object is equal to the configured width value. Even if border and padding are defined, the actual width of the object is not changed, that is, (Element width = width)
-
This attribute is represented in the Box Model in the weird mode.
Note:
Sets or retrieves the box model composition mode of an object.
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