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max-width property

Sets or retrieves the maximum width for an element.

CSS 2.1, Section 10.4

 

Syntax

max-width: <length> | <percentage>

Property values

A Variant that specifies or receives the maximum width for an element.

length

Floating-point number followed by an absolute units designator (cm, mm, in, pt, or pc) or a relative units designator (em, ex, or px). For more information about the supported length units, see CSS Values and Units Reference.

percentage

Integer followed by a % that specifies a percentage of the containing block width to use as the maximum width of the element. If the width of the containing block is not explicitly set, then the element has no maximum width and the max-width property is interpreted as 0%. For more information on containing blocks and how their widths are computed, see the Cascading Style Sheets, Level 2.1 (CSS2.1) specification.

CSS information

Applies ToAll elements
Mediavisual
Inheritedno
Initial Valuenone

Standards information

Remarks

max-width was introduced in Windows Internet Explorer 7.

The min-width/max-width attributes apply to floating and absolutely positioned block and inline-block elements, as well as some intrinsic controls. They do not apply to non-replaced inline elements, such as table rows and row/column groups. (A "replaced" element has intrinsic dimensions, such as an img or textArea.)

This property is enabled only under the strict !DOCTYPE.

When using display:flex or display:"-webkit-box", the max-width of flex items is clamped to the available space inside the flex container.

Examples

The following example shows how to constrain the width of a div element using min-width and max-width attributes. The example requires Internet Explorer 7 or later to view.

Code example: http://samples.msdn.microsoft.com/workshop/samples/author/dhtml/refs/minWidth7.htm


<!DOCTYPE html>
<html>
<head>
  <title>CSS</title>
  <style>
    .width {
      width: 50%;
      min-width: 200px;
      max-width: 400px;
      background: #eee;
    }

    .content {
      border: 1px solid #c00;
      padding: 5px;
    }
  </style>
</head>
<body>
  <div class="width">
    <div class="content">
      <h2>{ min-width:200px; max-width:400px }</h2>
      <p>
        This div also has a width of 50%. Resize the window
         to grow and shrink the div from max to min width.<br />
        <br />
        The outer div controls the width of the inner "content" div.
         Note that the div height increases to accommodate the flow of text.
      </p>
    </div>
  </div>
</body>
</html>

See also

CSSStyleDeclaration
currentStyle
runtimeStyle
style
Cascading Style Sheet Compatibility in Internet Explorer 7

 

 

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