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MozBackgroundOrigin style property | webkitBackgroundOrigin style property

Browser support:

MozBackgroundOrigin

webkitBackgroundOrigin

Specifies or retrieves how the backgroundPosition property is determined, i.e. it defines the reference point that the backgroundImage is relative to.

Syntax:

object.MozBackgroundOrigin;
object.webkitBackgroundOrigin;

You can find the related objects in the Supported by objects section below.

MozBackgroundOrigin:	This property is read/write.
webkitBackgroundOrigin:	This property is read/write.

CSS page for this property: -moz-background-origin

Possible values:

The type of this property is string.

One of the following values:

border

The position is relative to the border.

content

The position is relative to the content.

inherit

Takes the value of this property from the computed style of the parent element.

padding

The position is relative to the padding.

Default: border.

Example HTML code 1:

This example illustrates the use of the -moz-background-origin and the -webkit-background-origin properties:

<head>
    <style>
        .bgOriginBorder {
            background-image: url("bg.jpg");
            background-repeat: no-repeat;
            background-position: left top;
            width: 200px;
            height: 60px;
            padding: 10px;
            border: 8px solid #ffac84;
            
            -moz-background-origin: border;
            -webkit-background-origin: border;
        }
        .bgOriginPadding {
            background-image: url("bg.jpg");
            background-repeat: no-repeat;
            background-position: left top;
            width: 200px;
            height: 60px;
            padding: 10px;
            border: 8px solid #ffac84;
            
            -moz-background-origin: padding;
            -webkit-background-origin: padding;
        }
        .bgOriginContent {
            background-image: url("bg.jpg");
            background-repeat: no-repeat;
            background-position: left top;
            width: 200px;
            height: 60px;
            padding: 10px;
            border: 8px solid #ffac84;
            
            -moz-background-origin: content;
            -webkit-background-origin: content;
        }
    </style>
</head>
<body>
    <div class="bgOriginBorder">
        background-origin: border
    </div>
    <br />
    <div class="bgOriginPadding">
        background-origin: padding
    </div>
    <br />
    <div class="bgOriginContent">
        background-origin: content
    </div>
</body>

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Example HTML code 2:

This example illustrates the use of the MozBackgroundOrigin and webkitBackgroundOrigin properties in JavaScript:

<head>
    <style>
        .example {
            height: 150px;
            margin: 50px;
            padding: 10px;
            width: 300px;
            border: 20px dotted black;
            background-image: url("bg.jpg");
            -moz-background-origin: content;
        }
    </style>

    <script type="text/javascript">
        function ChangeBgOrigin (selectTag) {
            // Returns the index of the selected option
            var whichSelected = selectTag.selectedIndex;

            // Returns the text of the selected option
            var bgOrigin = selectTag.options[whichSelected].text;

            var div = document.getElementById ("myDiv");

            if ('MozBackgroundOrigin' in div.style) {
                div.style.MozBackgroundOrigin = bgOrigin;
            } else if ('webkitBackgroundOrigin' in div.style) {
                div.style.webkitBackgroundOrigin = bgOrigin;
            } else {
                alert ("Your browser doesn't support this example!");
            }
        }
    </script>
</head>
<body>
    <div id="myDiv" class="example">
        -moz-background-origin: content;
    </div>

    <select onchange="ChangeBgOrigin (this);" size="3">
        <option selected="selected" />content
        <option />border
        <option />padding
    </select>
</body>