Web/CSS/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

Specification	Status	Comment
CSS Overscroll Behavior Module Level 1The definition of 'overscroll-behavior-y' in that specification.	Working Draft

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
`overscroll-behavior-y`	Chrome Full support 63	Edge Partial support 18 Notes' Partial support 18 Notes' Notes' Currently the `none` value incorrectly behaves as `contain` (allowing for the elastic bounce effect).	Firefox Full support 59	IE No support No	Opera Full support 50	Safari No support No Notes' No support No Notes' Notes' See bug 176454.	WebView Android Full support 63	Chrome Android Full support 63	Firefox Android Full support 59	Opera Android Full support 46	Safari iOS No support No Notes' No support No Notes' Notes' See bug 176454.	Samsung Internet Android Full support 8.0

Legend

Full support: Full support
Partial support: Partial support
No support: No support
See implementation notes.': See implementation notes.