[CSS] scroll-margin-block、scroll-margin-inlineプロパティで書字方向に応じてスナップされる位置のマージン幅をまとめて指定しよう!

{ scroll-margin-block: 値; }

{ scroll-margin-inline: 値; }

.scroll {
 width: 300px;
 height: 300px;
 overflow-x: scroll;
 display: flex;
 box-sizing: border-box;
 scroll-snap-type: x mandatory;
}

.scroll > div {
 flex: 0 0 300px;
 border: 1px solid #000;
 background-color: #57e714;
 color: #fff;
 font-size: 40px;
 display: flex;
 align-items: center;
 justify-content: center;
 scroll-snap-align: end;
}

.scroll > div: nth-child(2n) {
 background-color: #fff;
 color: #0fe962;
}

.scroll > div: nth-child(2) {
 scroll-margin-inline: 2rem;
}