scroll-margin-block
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.
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简写属性 scroll-margin-block
设置了元素的块向滚动外边距。
尝试一下
scroll-margin-block: 0;
scroll-margin-block: 20px;
scroll-margin-block: 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;
}
属性构成
此属性为下列 CSS 属性的简写属性:
语法
css
/* <length> 值 */
scroll-margin-block: 10px;
scroll-margin-block: 1em 0.5em;
/* 全局值 */
scroll-margin-block: inherit;
scroll-margin-block: initial;
scroll-margin-block: revert;
scroll-margin-block: revert-layer;
scroll-margin-block: unset;
取值
<length>
-
滚动容器对应边的外边距。
描述
scroll-margin
值表示定义滚动吸附区域的外边距,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。
形式定义
初始值 | 该简写所对应的每个属性: |
---|---|
适用元素 | 所有元素 |
是否是继承属性 | 否 |
计算值 | 该简写所对应的每个属性:
|
动画类型 | 按计算值的类型 |
形式语法
规范
Specification |
---|
CSS Scroll Snap Module Level 1 # propdef-scroll-margin-block |