W3School TIY Editor

<!DOCTYPE html>
<html>
<head>
<style>
#container {
  width: 80%;
  aspect-ratio: 2/1;
  padding: 0 50px;
  margin: auto;
  border: solid black 2px;
  overflow-x: scroll;
  overflow-y: hidden;
  white-space: nowrap;
  scroll-snap-type: x mandatory;
}

.blue {
  background-color: lightblue;
  height: 95%;
  aspect-ratio: 1/1;
}

.green {
  background-color: lightgreen;
  height: 80%;
  aspect-ratio: 1/2;
}

.blue, .green {
  display: inline-block;
  margin: 2px;
  scroll-snap-align: none start;
  scroll-margin-inline: 20px;
}
</style>
</head>
<body>

<h1>CSS scroll-margin-inline 属性</h1>

<p>scroll-margin-inline 属性设置于容器内的子元素上，以便在内联方向上，通过容器内的边距来偏移吸附位置。</p>

<p>在此情况下，吸附位置设置为在内联方向上开始，因此焦点元素应该吸附到容器的最左侧。但由于 scroll-margin-inline 的值，焦点元素与子元素和容器之间产生了 20 像素的距离偏移。</p>

</body>
</html>