CSS margin-bottom property

margin-bottom property

CSS margin-bottom property sets the bottom margin of a box.


margin-bottom: width | inherit


width: Width of the bottom margin. The following table shows the values used to set width:

Type Description
Fixed width Using px, cm, em units, a fixed width is set.
Percentage Using percentage sign followed by a number, a percentage value is set. The percentage is represented with respect to the width of the box.
auto User agent sets the width by itself.

inherit : If set, the associated element takes computed value of its parent element's margin-bottom property.

Initial value


Applies to

margin-bottom property can be applied to all elements except elements with table display types other than table-caption, table and inline-table.




With reference to the width of the containing block.



Computed value

Either a percentage or absolute value.

Browser compatibility

Browser Version
Internet Explorer 4.0 and above
Firefox (Gecko) 1.0 and above
Opera 3.5 and above
Safari (WebKit) 1.0 and above

Example of margin-bottom property

CSS code:

.w3r {
margin-bottom: 50px;

HTML code:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>CSS margin-bottom example - w3resource</title>
<link rel='stylesheet' href='margin-bottom.css' type='text/css' />
<p class="w3r">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.</p>
<p>Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>

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Example of margin-bottom property.

Pictorial presentation


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Next: CSS margin-left property

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