CSS之GAP属性

gap: row-gap column-gap;

<div class="grid-container">
<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>

<style>
.grid-container {
display: grid;
grid-template-columns: auto auto auto;
gap: 50px;
border: 1px solid red;
}
.grid-container > div {
border: 1px solid black;
background-color: green;
text-align: center;
padding: 10px;
color: #fff;
}
</style>