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CSS Properties

align-content align-items align-self all animation animation-delay animation-direction animation-duration animation-fill-mode animation-iteration-count animation-name animation-play-state animation-timing-function backface-visibility background background-attachment background-blend-mode background-clip background-color background-image background-origin background-position background-repeat background-size border border-bottom border-bottom-color border-bottom-left-radius border-bottom-right-radius border-bottom-style border-bottom-width border-collapse border-color border-image border-image-outset border-image-repeat border-image-slice border-image-source border-image-width border-left border-left-color border-left-style border-left-width border-radius border-right border-right-color border-right-style border-right-width border-spacing border-style border-top border-top-color border-top-left-radius border-top-right-radius border-top-style border-top-width border-width bottom box-decoration-break box-shadow box-sizing break-after break-before break-inside caption-side caret-color @charset clear clip clip-path color column-count column-fill column-gap column-rule column-rule-color column-rule-style column-rule-width column-span column-width columns content counter-increment counter-reset cursor direction display empty-cells filter flex flex-basis flex-direction flex-flow flex-grow flex-shrink flex-wrap float font @font-face font-family font-feature-settings font-kerning font-size font-size-adjust font-stretch font-style font-variant font-variant-caps font-weight gap grid grid-area grid-auto-columns grid-auto-flow grid-auto-rows grid-column grid-column-end grid-column-gap grid-column-start grid-gap grid-row grid-row-end grid-row-gap grid-row-start grid-template grid-template-areas grid-template-columns grid-template-rows hanging-punctuation height hyphens @import isolation justify-content @keyframes left letter-spacing line-height list-style list-style-image list-style-position list-style-type margin margin-bottom margin-left margin-right margin-top max-height max-width @media min-height min-width mix-blend-mode object-fit object-position opacity order outline outline-color outline-offset outline-style outline-width overflow overflow-x overflow-y padding padding-bottom padding-left padding-right padding-top page-break-after page-break-before page-break-inside perspective perspective-origin pointer-events position quotes resize right row-gap scroll-behavior tab-size table-layout text-align text-align-last text-decoration text-decoration-color text-decoration-line text-decoration-style text-indent text-justify text-overflow text-shadow text-transform top transform transform-origin transform-style transition transition-delay transition-duration transition-property transition-timing-function unicode-bidi user-select vertical-align visibility white-space width word-break word-spacing word-wrap writing-mode z-index



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 Play it
auto Default value. The browser calculates the width Play it »
length Defines the width in px, cm, etc. Read about length units 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%;
}
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