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Style marginBottom Property

Style Object Reference Style Object

Definition and Usage

The marginBottom property sets or returns the bottom margin of an element.

Syntax

Set the marginBottom property:

Object.style.marginBottom="%|length|auto|inherit"

Return the marginBottom property:

Object.style.marginBottom

Value Description
% Defines the bottom margin in % of the width of the parent element
length Defines the bottom margin in length units
auto The browser sets the bottom margin
inherit The bottom margin is inherited from the parent element

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The marginBottom property is supported in all major browsers.

Tips and Notes

Both the margin property and the padding property insert space around an element. However, the difference is that margin inserts the space around the border, while padding inserts the space within  the border of an element.

Example

Example

Change the bottom margin of a div element:

<html>
<head>
<style type="text/css">
#ex1
{
border: 1px solid #FF0000;
}
</style>
<script type="text/javascript">
function displayResult()
{
document.getElementById("ex1").style.marginBottom="100px";
}
</script>
</head>
<body>

<div id="ex1">This is some text.</div>
<br />
<button type="button" onclick="displayResult()">Change bottom margin</button>

</body>
</html>

Try it yourself »

Style Object Reference Style Object
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