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overscroll-behavior-y

The overscroll-behavior-y CSS property sets the browser's behavior when the vertical boundary of a scrolling area is reached.

See overscroll-behavior for a full explanation.

/* Keyword values */
overscroll-behavior-y: auto; /* default */
overscroll-behavior-y: contain;
overscroll-behavior-y: none;

/* Global values */
overscroll-behavior-y: inherit;
overscroll-behavior-y: initial;
overscroll-behavior-y: unset;

Syntax

The overscroll-behavior-y property is specified as a keyword chosen from the list of values below.

Values

auto
The default scroll overflow behavior occurs as normal.
contain
Default scroll overflow behavior is observed inside the element this value is set on (e.g. "bounce" effects or refreshes), but no scroll chaining occurs to neighbouring scrolling areas, e.g. underlying elements will not scroll.
none
No scroll chaining occurs to neighbouring scrolling areas, and default scroll overflow behavior is prevented.

Formal definition

Initial value auto
Applies to non-replaced block-level elements and non-replaced inline-block elements
Inherited no
Computed value as specified
Animation type discrete

Formal syntax

contain | none | auto

Examples

Preventing an underlying element from scrolling vertically

.messages {
  height: 220px;
  overflow: auto;
  overscroll-behavior-y: contain;
} 

See overscroll-behavior for a full example and explanation.

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
overscroll-behavior-y 63 18
18
Currently the none value incorrectly behaves as contain (allowing for the elastic bounce effect).
59 No 50 No
No
See bug 176454.
Mobile
Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
overscroll-behavior-y 63 63 59 46 No
No
See bug 176454.
8.0

See also

© 2005–2020 Mozilla and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/overscroll-behavior-y