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CSS outline-width Property

Last Updated:

Demo

outline-width: 2px;

CSS outline-width Property

CSS outline-width property sets the thickness of an element's outline.

Note: An outline is a line that is drawn around an element, outside the border.

Example

HTML Online Editor
<!DOCTYPE html> <html lang="en-US"> <head> <style> div{ outline-style: solid; outline-width: 2px; } </style> </head> <body> <h1>CSS outline-width Property</h1> <div> This is div container. </div> </body> </html>

Syntax

Using CSS

element{ outline-width: 3px; }

Using Javascript

object.style.outlineWidth="3px";

Animatable

Yes, outline-width property is animatable. CSS Animatable Properties Reference.

Default Value

Default value for CSS outline-width property is medium.

Property Value

The following table provides a list of all values for CSS outline-width property.

ValueExplanation
thinSpecifies a thin outline.
mediumSpecifies a medium outline.
thickSpecifies a thick outline.
lengthAllows you to define the thickness of the outline in any CSS length unit.

Browser Support

Devicedesktopmobile
Browsergoogle chromesafarifirefoxinternet Exploreredgeoperagoogle chromesafarifirefoxedgeoperaandroid webviewsamsung internet
outline-widthYesYesYesYesYesYesYesYesYesYesYesYesYes

All in One

In the following example, we will demonstrate all values of CSS outline-width property.

Example

HTML Online Editor
<!DOCTYPE html> <html lang="en-US"> <head> <style> div{ outline-style: solid; } #point{ outline-width: thin; } #point1{ outline-width: medium; } #point2{ outline-width: thick; } #point3{ outline-width: 3px; } </style> </head> <body> <h1>CSS outline-width Property</h1> <h2>outline-width: thin;</h2> <div id="point"> This is div container. </div> <h2>outline-width: medium;</h2> <div id="point1"> This is div container. </div> <h2>outline-width: thick;</h2> <div id="point2"> This is div container. </div> <h2>outline-width: 3px;</h2> <div id="point3"> This is div container. </div> </body> </html>

Using JavaScript

In the following example, we will demonstrate how to change the CSS outline-width property of an element using JavaScript.

Example

HTML Online Editor
<!DOCTYPE html> <html lang="en-US"> <head> <style> div{ padding: 10px; margin-bottom: 10px; outline-style: dotted; outline-width: 1px; } </style> </head> <body> <h1>CSS outline-width Property</h1> <div> This is div container. </div> <button onclick="myFunction()">Click Me</button> <script> var x = document.getElementsByTagName("div")[0]; function myFunction(){ x.style.outlineWidth = "3px"; } </script> </body> </html>

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