scroll-margin-block-end

Baseline 已广泛支持

此功能已成熟，并可在多种设备和浏览器版本上运行。自 2021 年 9 月起，所有浏览器均已支持此功能。

scroll-margin-block-end 属性定义了用于将此框对齐到吸附端口的块维度末尾的滚动吸附区域的边距。滚动吸附区域是通过获取转换后的边框，找到其矩形边界框（在滚动容器的坐标空间中轴对齐），然后添加指定的外部偏移量来确定的。

试一试

scroll-margin-block-end: 0;

scroll-margin-block-end: 20px;

scroll-margin-block-end: 2em;

<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>

.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: end;
}

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

语法

css

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

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