The box-sizing
Property in CSS is used to control how the total width and height of an element are calculated, including its content, padding, and border. The default value box-sizing
can vary depending on the browser.
Default Value:
-
The default value for the
box-sizing
property is often considered to becontent-box
. - However, note that the default behavior can vary among different browsers.
Syntax:
/* Explicitly setting box-sizing to content-box */
.element {
box-sizing: content-box;
}
Features:
-
content-box
:- This is often considered the default value.
- It calculates the total width and height of an element by considering only the content, excluding padding and border.
-
Cross-Browser Considerations: While
content-box
is commonly considered the default, some browsers may have a different default behavior. -
border-box
as an Alternative: Usingbox-sizing: border-box;
is an alternative approach, which includes padding and border in the total dimensions of the element.