CSS outline-width Property

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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.

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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