Example
Set the height and width of a <p> element:
p.ex
{
height: 100px;
width: 100px;
}
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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.
| 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
Example
Set the width of an <img> element using a percent value:
img {
width: 50%;
}
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Example
Set the width of an <input type="text"> element to 100px. However, when it gets focus, make it 250px wide:
input[type=text] {
width: 100px;
}
input[type=text]:focus {
width: 250px;
}
Try it Yourself »
Related Pages
CSS tutorial: CSS Dimension
CSS tutorial: CSS Box model
CSS reference: height property
HTML DOM reference: width property