<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title></title>
<style>
.box {
width: 360px;
margin: 100px auto;
display: grid;
/* 参数1分为几列 参数2每列的宽度，等于子元素的宽度即可 */
grid-template-columns: repeat(3, 100px);
/* 设置子元素之间的间隙 */
grid-gap: 30px;
background-color: pink;
}
.box div {
width: 100px;
height: 100px;
background-color: green;
line-height: 100px;
text-align: center;
}
</style>
</head>
<body>
<div class="box">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>
</body>
</html>
效果如下
