scroll-margin-block
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
The scroll-margin-block shorthand property sets the scroll margins of an element in the block dimension.
Try it
scroll-margin-block: 0;
scroll-margin-block: 20px;
scroll-margin-block: 2em;
<section class="default-example" id="default-example">
<div class="scroller">
<div>1</div>
<div id="example-element">2</div>
<div>3</div>
</div>
<div class="info">Scroll »</div>
</section>
.default-example .info {
inline-size: 100%;
padding: 0.5em 0;
font-size: 90%;
writing-mode: vertical-rl;
}
.scroller {
text-align: left;
height: 250px;
width: 270px;
overflow-y: scroll;
display: flex;
flex-direction: column;
box-sizing: border-box;
border: 1px solid black;
scroll-snap-type: y mandatory;
}
.scroller > div {
flex: 0 0 250px;
background-color: rebeccapurple;
color: white;
font-size: 30px;
display: flex;
align-items: center;
justify-content: center;
scroll-snap-align: start;
}
.scroller > div:nth-child(even) {
background-color: white;
color: rebeccapurple;
}
Constituent properties
This property is a shorthand for the following CSS properties:
Syntax
css
/* <length> values */
scroll-margin-block: 10px;
scroll-margin-block: 1em 0.5em;
/* Global values */
scroll-margin-block: inherit;
scroll-margin-block: initial;
scroll-margin-block: revert;
scroll-margin-block: revert-layer;
scroll-margin-block: unset;
Values
<length>-
An outset from the corresponding edge of the scroll container.
Description
The scroll-margin values represent outsets defining the scroll snap area that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.
Formal definition
| Initial value | as each of the properties of the shorthand: |
|---|---|
| Applies to | all elements |
| Inherited | no |
| Computed value | as each of the properties of the shorthand:
|
| Animation type | by computed value type |
Formal syntax
scroll-margin-block =
<length> {1,2}
Specifications
| Specification |
|---|
| CSS Scroll Snap Module Level 1 # propdef-scroll-margin-block |
Browser compatibility
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