Web/CSS/margin-block-end

The margin-block-end CSS property defines the logical block end margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation.

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Syntax

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

/* Keyword values */
margin-block-end: auto;

/* Global values */
margin-block-end: inherit;
margin-block-end: initial;
margin-block-end: unset;

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

It relates to margin-block-start, margin-inline-start, and margin-inline-end, which define the other margins of the element.

Values

The margin-block-end property takes the same values as the margin-left property.

Formal definition

Initial value	`0`
Applies to	same as `margin`
Inherited	no
Percentages	depends on layout model
Computed value	if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, `auto`
Animation type	a length

Formal syntax

<'margin-left'>

Examples

Setting block end margin

HTML

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

CSS

div {
  background-color: yellow;
  width: 120px;
  height: 120px;
}

.exampleText {
  writing-mode: vertical-rl;
  margin-block-end: 20px;
  background-color: #c8c800;
}

Result

Specifications

Specification	Status	Comment
CSS Logical Properties and Values Level 1The definition of 'margin-block-end' in that specification.	Editor's Draft	Initial definition

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`margin-block-end`	Chrome Full support 69	Edge Full support 79	Firefox Full support 41 Full support 41 No support 38 — 51 Disabled' Disabled' From version 38 until version 51 (exclusive): this feature is behind the `layout.css.vertical-text.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	IE No support No	Opera Full support 56	Safari Full support 12.1	WebView Android Full support 69	Chrome Android Full support 69	Firefox Android Full support 41 Full support 41 No support 38 — 51 Disabled' Disabled' From version 38 until version 51 (exclusive): this feature is behind the `layout.css.vertical-text.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	Opera Android Full support 48	Safari iOS Full support 12.2	Samsung Internet Android Full support 10.0

Legend

Full support: Full support
No support: No support
User must explicitly enable this feature.': User must explicitly enable this feature.