CSS width Property

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Example

Set the width of three <div> elements:

div.a {
  width: auto;
border: 1px solid black;
}

div.b {
width: 150px;
border: 1px solid black;
}

div.c {
  width: 50%;
  border: 1px solid black;
}

Try it Yourself »

More "Try it Yourself" examples below.

Definition and Usage

The width property sets the width of an element.

The width of an element does not include padding, borders, or margins!

Note: The min-width and max-width properties override the width property.

Show demo ❯

Default value:	auto
Inherited:	no
Animatable:	yes. Read about animatable Try it
Version:	CSS1
JavaScript syntax:	object.style.width="500px" Try it

Browser Support

The numbers in the table specify the first browser version that fully supports the property.

Property
width	1.0	4.0	1.0	1.0	3.5

CSS Syntax

width: auto| value|initial|inherit;

Property Values

Value	Description	Demo
auto	Default value. The browser calculates the width	Demo ❯
length	Defines the width in px, cm, etc. Read about length units	Demo ❯
%	Defines the width in percent of the containing block	Demo ❯
initial	Sets this property to its default value. Read about initial
inherit	Inherits this property from its parent element. Read about inherit