margin-inline-start
Baseline
Widely available
*
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
* Some parts of this feature may have varying levels of support.
The margin-inline-start CSS property defines the logical inline start margin of an element, which maps to a physical margin depending on the element's writing mode, directionality, and text orientation. 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.
Try it
margin-inline-start: 20px;
writing-mode: horizontal-tb;
margin-inline-start: 20px;
writing-mode: vertical-rl;
margin-inline-start: 20%;
writing-mode: horizontal-tb;
direction: rtl;
<section id="default-example">
<div id="container">
<div class="col">One</div>
<div class="col transition-all" id="example-element">Two</div>
<div class="col">Three</div>
</div>
</section>
#container {
width: 300px;
height: 200px;
display: flex;
align-content: flex-start;
justify-content: flex-start;
}
.col {
width: 33.33%;
border: solid #ce7777 10px;
background-color: #2b3a55;
color: white;
flex-shrink: 0;
}
#example-element {
border: solid 10px #ffbf00;
background-color: #2b3a55;
unicode-bidi: bidi-override;
}
Syntax
/* <length> values */
margin-inline-start: 10px; /* An absolute length */
margin-inline-start: 1em; /* relative to the text size */
margin-inline-start: 5%; /* relative to the nearest block container's width */
margin-inline-start: anchor-size(block);
margin-inline-start: calc(anchor-size(--my-anchor width, 30px) / 4);
/* Keyword values */
margin-inline-start: auto;
/* Global values */
margin-inline-start: inherit;
margin-inline-start: initial;
margin-inline-start: revert;
margin-inline-start: revert-layer;
margin-inline-start: unset;
It relates to margin-block-start, margin-block-end, and margin-inline-end, which define the other margins of the element.
Values
The margin-inline-start 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-inline-start =
<'margin-top'>
<margin-top> =
<length-percentage> |
auto |
<anchor-size()>
<length-percentage> =
<length> |
<percentage>
<anchor-size()> =
anchor-size( [ <anchor-name> || <anchor-size> ] ? , <length-percentage>? )
<anchor-name> =
<dashed-ident>
<anchor-size> =
width |
height |
block |
inline |
self-block |
self-inline
Examples
Setting inline start margin
HTML
<div>
<p class="exampleText">Example text</p>
</div>
CSS
div {
background-color: yellow;
width: 120px;
height: 120px;
}
.exampleText {
writing-mode: vertical-lr;
margin-inline-start: 20px;
background-color: #c8c800;
}
Result
Specifications
| Specification |
|---|
| CSS Logical Properties and Values Level 1 # margin-properties |
Browser compatibility
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See also
- CSS Logical Properties and Values
margin-inline-end- The mapped physical properties:
margin-top,margin-right,margin-bottom, andmargin-left writing-mode,direction,text-orientation