CSS max-width Property

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CSS max-width Property

CSS max-width property specifies the maximum width of an element.

If the content is larger than the maximum width, it will automatically change the height of the element to the specified value (max-width).

If the content is smaller than the maximum width, the max-width property has no effect.


HTML Online Editor
<!DOCTYPE html> <html lang="en-US"> <head> <style> #point{ max-width: 250px; padding: 25px 0; border: 1px solid #8c8c8c; } </style> </head> <body> <div id="point"> Maximum width of this container (div) is 250px. </div> </body> </html>


Using CSS

element{ max-width: 250px; }

Using Javascript



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

Default Value

Default value for CSS max-width property is none.

Property Value

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

noneSpecifies the width has no maximum value.
%Specifies the maximum width as a percentage of the containing block's content width.
lengthSpecifies the maximum width (px, cm, etc) as an absolute value.

Using JavaScript

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


HTML Online Editor
<!DOCTYPE html> <html lang="en-US"> <head> <style> #point{ padding: 25px 0; border: 1px solid #8c8c8c; } </style> </head> <body> <div id="point"> Maximum width of this container (div) is none. </div> <button onclick="myFunction()">Click Me</button> <script> function myFunction(){ var x = document.getElementById("point"); x.style.maxWidth = "250px" } </script> </body> </html>


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