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.

Syntax

css
/* 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: revert;
overscroll-behavior-y: revert-layer;
overscroll-behavior-y: unset;

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 (e.g., "bounce" effects) is observed inside the element where this value is set. However, no scroll chaining occurs on neighboring scrolling areas; the underlying elements will not scroll. The contain value disables native browser navigation, including the vertical pull-to-refresh gesture and horizontal swipe navigation.

none

No scroll chaining occurs to neighboring scrolling areas, and default scroll overflow behavior is prevented.

Formal definition

Initial valueauto
Applies tonon-replaced block-level elements and non-replaced inline-block elements
Inheritedno
Computed valueas specified
Animation typediscrete

Formal syntax

overscroll-behavior-y = 
  contain  |
  none     |
  auto

Examples

Preventing an underlying element from scrolling vertically

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

See overscroll-behavior for a full example and explanation.

Specifications

Specification
CSS Overscroll Behavior Module Level 1
# overscroll-behavior-longhands-physical

Browser compatibility

BCD tables only load in the browser

See also