The max-width property (CSS Reference)

Introduction

The max-width property can be used to specify the maximum width of an element.

Note: Please check if the browser you're targeting supports this property yet. Many don't, at the time of publishing.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<head><title>max-width Demonstration</title>

p.maxwidth

{

max-width: 250px;

}

</style>

</head>

<body>

<h1><p>max-width demonstration</p></h1>

<p class="maxwidth">This is an element with the max-width of 250px</p>

</body>

</html>

Name:	Description:
length	The following values can be also used to define the maximum width: cm (centimeter) em (ems) inch (inches) mm (millimeters) pc (picas) px (pixels) pt (points)
none	This value is used if you do not want to specify any max-width limit.
percentage	This value can be used to define the maximum width with percentages. You have to use the percentage sign %.

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