scroll-margin-top

The scroll-margin-top property defines the top margin of the scroll snap area that is used for snapping this box to the snapport. The scroll snap area is determined by taking the transformed border box, finding its rectangular bounding box (axis-aligned in the scroll container's coordinate space), then adding the specified outsets.

css

scroll-margin-top: 0;

css

scroll-margin-top: 20px;

css

scroll-margin-top: 2em;

html

<section class="default-example" id="default-example">
  <div class="scroller">
    <div>1</div>
    <div id="example-element">2</div>
    <div>3</div>
  </div>
  <div class="info">Scroll »</div>
</section>

css

.default-example .info {
  inline-size: 100%;
  padding: 0.5em 0;
  font-size: 90%;
  writing-mode: vertical-rl;
}

.scroller {
  text-align: left;
  height: 250px;
  width: 270px;
  overflow-y: scroll;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  border: 1px solid black;
  scroll-snap-type: y mandatory;
}

.scroller > div {
  flex: 0 0 250px;
  background-color: rebeccapurple;
  color: white;
  font-size: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-align: start;
}

.scroller > div:nth-child(even) {
  background-color: white;
  color: rebeccapurple;
}

Syntax

css

/* <length> values */
scroll-margin-top: 10px;
scroll-margin-top: 1em;

/* Global values */
scroll-margin-top: inherit;
scroll-margin-top: initial;
scroll-margin-top: revert;
scroll-margin-top: revert-layer;
scroll-margin-top: unset;

Values

{{CSSXref("<length>")}}
- : An outset from the top edge of the scroll container.

Syntax

Values

Formal definition

Formal syntax

Specifications

Browser compatibility

See also