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Style marginBottom Property

Style Object Reference Style Object

Example

Set the bottom margin of a <div> element:

document.getElementById("myDiv").style.marginBottom = "50px";

Try it yourself »


Definition and Usage

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

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.


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The marginBottom property is supported in all major browsers.


Syntax

Return the marginBottom property:

object.style.marginBottom

Set the marginBottom property:

object.style.marginBottom="%|length|auto|initial|inherit"

Property Values

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
initial Sets this property to its default value. Read about initial
inherit Inherits this property from its parent element. Read about inherit

Technical Details

Default Value: 0
Return Value: A String, representing the bottom margin of an element
CSS Version CSS1


More Examples

Example

Change the bottom margin of a <div> element back to "normal":

document.getElementById("myDiv").style.marginBottom = "0px";

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Example

Return the bottom margin of a <div> element:

alert(document.getElementById("myDiv").style.marginBottom);

Try it yourself »

Example

Difference between marginBottom and paddingBottom:

function changeMargin() {
    document.getElementById("myDiv").style.marginBottom = "100px";
}

function changePadding() {
    document.getElementById("myDiv2").style.paddingBottom = "100px";
}

Try it yourself »


Related Pages

CSS tutorial: CSS Margin

CSS reference: margin-bottom property

HTML DOM reference: margin property


Style Object Reference Style Object

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