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Style marginBottom Property
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
The marginBottom property is supported in all major browsers.
Note: The value "inherit" is not supported in IE7 and earlier. IE8 requires a !DOCTYPE. IE9 supports "inherit".
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>
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>
<head>
<style type="text/css">
#ex1
{
border: 1px solid #FF0000;
}
</style>
<script>
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
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