scroll-margin-top
scroll-margin-top 属性定义了滚动捕捉区域的上外边距,用于将此框捕捉到捕捉视口。滚动捕捉区域通过以下方式确定:获取变换后的边框,找到其矩形边界框(在滚动容器的坐标空间中轴对齐),然后添加指定的偏移量。
试一试
scroll-margin-top: 0;
scroll-margin-top: 20px;
scroll-margin-top: 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: start;
}
.scroller > div:nth-child(even) {
background-color: white;
color: rebeccapurple;
}
语法
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;
值
<length>-
从滚动容器顶部边缘开始的偏移量。
正式定义
正式语法
scroll-margin-top =
<length>
规范
| 规范 |
|---|
| CSS 滚动捕捉模块级别 1 # margin-longhands-physical |
浏览器兼容性
加载中…