CSS margin-bottom

Margin is the spacing outside an element.

The margin-bottom property specifies the bottom margin of an element.



An element with a 50-pixel margin-bottom.

An element with a 50px bottom margin
<div style="margin-bottom: 50px; background: aliceblue;">
  An element with a 50px bottom margin

Using margin-bottom

The margin-bottom property accepts any length value, such as, px, %, em, etc.

Margin values can be positive or negative.


margin-bottom: length | auto | initial | inherit;



Value Description
length Sets the bottom margin using any CSS length value. Negative values are allowed.
% Sets bottom margin in percent.
auto Browser calculates a bottom margin.
initial Sets the value to its default value.
inherit Inherits the value from its parent element.

More Examples

Click the buttons to see the different margin-bottom values.

margin-bottom: 5%
  .margin-example {
    background: aliceblue;
    margin-bottom: 5%;
    padding: 10px;

<div class="margin-example">
  margin-bottom: 5%

Browser support

This table shows when margin-bottom support started for each browser.

1.0 Dec 2008
1.0 Nov 2004
6.0 Aug 2001
3.5 Nov 1998
1.0 Jun 2003

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Last updated on Sep 30, 2023