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 neighboring scrolling areas, e.g. underlying elements will not scroll.
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

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 1
The definition of 'overscroll-behavior-y' in that specification.
Working Draft

Browser compatibility

BCD tables only load in the browser

See also