scroll-margin-block-start
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
scroll-margin-block-start 属性定义了滚动吸附区域在的块首外边距，此区域用于将此盒吸附至滚动口。滚动吸附区域的确定方法为：取变换后的边框盒，求其矩形包围盒（与滚动容器的坐标空间中的轴对齐），再加上指定的外边距。
尝试一下
scroll-margin-block-start: 0; scroll-margin-block-start: 20px; scroll-margin-block-start: 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: #fff; font-size: 30px; display: flex; align-items: center; justify-content: center; scroll-snap-align: start; } .scroller > div:nth-child(even) { background-color: #fff; color: rebeccapurple; } 语法
css
/* <length> 值 */ scroll-margin-block-start: 10px; scroll-margin-block-start: 1em; /* 全局值 */ scroll-margin-block-start: inherit; scroll-margin-block-start: initial; scroll-margin-block-start: revert; scroll-margin-block-start: revert-layer; scroll-margin-block-start: unset; 取值
<length>-
滚动容器的块首外边距。
形式定义
形式语法
scroll-margin-block-start =
<length>
规范
| Specification |
|---|
| CSS Scroll Snap Module Level 1 # margin-longhands-logical |