CSS width Property
Description
The width
property specifies the width of the content area of an element. The content area is inside the padding, border, and margin of the element.
- Initial value
- auto
- Applies to
- All elements except non-replaced inline elements, table rows, and row groups
- Inherited
- No
- Media
- Visual
- Computed value
- Percentage or absolute length
- Animatable
- Yes
- CSS Version
- CSS1, CSS2, CSS3
- JavaScript syntax
- object.style.width
Syntax
width: <length> | <percentage> | auto
Values
- <length>Specifies the width of the content area using a length unit.
- <percentage>Integer, followed by a %. The value is a percentage of the width of the parent object, whether or not it is specified explicitly. Negative values are not allowed.
- autoThe width depends on the values of other properties. See the sections below.
- border-boxIf border-box is used, the length or percentage defined will be applied to the element's border box.
- content-boxIf content-box is used, the length or percentage defined will be applied to the element's content-box.
- autoIf auto is set for the elements width, the browser will determine the width for the element.
- max-contentThe intrinsic preferred width
- min-contentThe intrinsic minimum width
- availableThe containing block width minus horizontal margin, border, and padding
- fit-contentThis will be either the large of the minimum width or the smaller of the preferred width and the available width
Example
<div class="layer1"> <p class="layer2">Lorem ipsum dolor sit amet,consectetuer adipiscing elit,seddiem nonummy nibh euismod tincidunt ut lacreet dolore magna aliguam erat volutpat.</p> </div>
.layer1 {
width: 300px;
background: #fc0;
padding: 7px;
border: 1px solid #ccc;
}
.layer2 {
width: 400px;
}
Give it a Try
Click the button below to experiment with this property.
Browser Support
Desktop | |||||
4 | 12 | 1 | 1 | 3.5 | 1 |
Tablets / Mobile | |||||
![]() |
|||||
1 | 18 | 4 | 10.1 | 1 | 1.0 |
Last updated by CSSPortal on: 1st November 2019
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