CSS width Property


Set the height and width of a <p> element:

p.ex {
    height: 100px;
    width: 100px;

Try it yourself »

More "Try it Yourself" examples below.

Definition and Usage

The width property sets the width of an element.

Note: The width property does not include padding, borders, or margins; it sets the width of the area inside the padding, border, and margin of the element!

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

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.

width 1.0 4.0 1.0 1.0 3.5

CSS Syntax

width: auto|value|initial|inherit;

Property Values

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


More Examples


Set the width of an <img> element using a percent value:

img {
    width: 50%;

Try it yourself »

Related Pages

CSS tutorial: CSS Dimension

CSS tutorial: CSS Box model

CSS reference: height property

HTML DOM reference: width property




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