CSS width Property
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.
| 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 |
More Examples
Example
Set the width of an <img> element using a percent value:
img {
width: 50%;
}
Try it Yourself »
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 Height and Width
CSS tutorial: CSS Box model
CSS reference: height property
HTML DOM reference: width property
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