CSSwidth 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 »width: auto;
border: 1px solid black;
}
div.b {
width: 150px;
border: 1px solid black;
}
div.c {
width: 50%;
border: 1px solid black;
}
More "Try it Yourself" examples below.
Definition and Usage
Thewidth property sets the width of an element.
The width of an element does not include padding, borders, or margins!
Note: Themin-width andmax-width properties override thewidth property.
| Default value: | auto |
|---|---|
| Inherited: | no |
| Animatable: | yes.Read aboutanimatableTry 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 aboutinitial | |
| inherit | Inherits this property from its parent element.Read aboutinherit |
More Examples
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 »width: 100px;
}
input[type=text]:focus {
width: 250px;
}
Related Pages
CSS tutorial:CSS Height and Width
CSS tutorial:CSS Box model
CSS reference:height property
HTML DOM reference:width property
