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scroll-snap-points-y

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.

Deprecated
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.

Summary

The scroll-snap-points-y CSS property defines the vertical positioning of snap points within the content of the scroll container they are applied to.

Initial valuenone
Applies toscroll containers
Inheritedno
Percentagesrelative to same axis of the padding-box of the scroll container
Mediainteractive
Computed valueas specified, but with relative lengths converted into absolute lengths
Animatableno
Canonical orderthe unique non-ambiguous order defined by the formal grammar

Syntax

/* Keyword value */
scroll-snap-points-y: none;

/* Repeated snap points */
scroll-snap-points-y: repeat(400px);

/* Global values */
scroll-snap-points-y: inherit;
scroll-snap-points-y: initial;
scroll-snap-points-y: unset;

Values

none
The scroll container does not define any snap points. Elements within the scroll container may still define snap points on behalf of the scroll container.
repeat(<length>)
Defines an interval at which snap points are defined, starting from the container's relevant start edge. Only positive lengths are allowed.

Formal syntax

none | repeat(<length>)

Example

HTML Content

<div id="container">
  <div>1</div>
  <div>2</div>
  <div>3</div>
</div>

CSS Content

#container {
  height: 200px;
  width: 220px;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-snap-points-y: repeat(200px);
  scroll-snap-type: mandatory;
  font-size: 0;
}

#container > div {
  width: 200px;
  height: 200px;
  display: inline-block;
  line-height: 200px;
  text-align: center;
  font-size: 100px;
}

#container > div:nth-child(even) {
  background-color: #87EA87;
}

#container > div:nth-child(odd) {
  background-color: #87CCEA;
}

Specification

This property was once defined in the early draft of CSS Scroll Snap Points Module but later removed from the specification in favor of element-based snapping.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support Not supported 39.0 (39.0) Not supported Not supported 9-webkit
Feature Android Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
Basic support Not supported 39.0 (39.0)[1] 39.0 (39.0) Not supported Not supported 9-webkit

[1] On Firefox Mobile, available since Gecko 39, but behind the preference layout.css.vertical-text.enabled, disabled by default.

Document Tags and Contributors

 Contributors to this page: rolfedh, myakura, m_gol, Sebastianz, fscholz, teoli
 Last updated by: rolfedh,