The margin-inline CSS shorthand property is a shorthand property that defines both the logical inline start and end margins of an element, which maps to physical margins depending on the element's writing mode, directionality, and text orientation.

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Constituent properties

This property is a shorthand for the following CSS properties:


/* <length> values */
margin-inline: 10px 20px;  /* An absolute length */
margin-inline: 1em 2em;    /* relative to the text size */
margin-inline: 5% 2%;      /* relative to the nearest block container's width */
margin-inline: 10px;       /* sets both start and end values */

/* Keyword values */
margin-inline: auto;

/* Global values */
margin-inline: inherit;
margin-inline: initial;
margin-inline: revert;
margin-inline: revert-layer;
margin-inline: unset;

This property corresponds to the margin-top and margin-bottom, or the margin-right and margin-left properties, depending on the values defined for writing-mode, direction, and text-orientation.

The margin-inline property may be specified using one or two values.

  • When one value is specified, it applies the same margin to both start and end.
  • When two values are specified, the first margin applies to the start, the second to the end.


The margin-inline property takes the same values as the margin property.

Formal definition

Initial value0
Applies tosame as margin
Percentagesdepends on layout model
Computed valueif specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto
Animation typediscrete

Formal syntax

margin-inline = 


Setting inline start and end margins


div {
  background-color: yellow;
  width: 120px;
  height: auto;
  border: 1px solid green;

p {
  margin: 0;
  margin-inline: 20px 40px;
  background-color: tan;

.verticalExample {
  writing-mode: vertical-rl;


  <p>Example text</p>
<div class="verticalExample">
  <p>Example text</p>



Unknown specification
# propdef-margin-inline

Browser compatibility

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See also