代码示例:(标识:cssref_row-gap)
<!DOCTYPE html>
<html>
<head>
<style> 
div {
  border: 1px solid black;
  padding: 3px;
  margin: 3px;
}

#grid-container {
  border: 1px solid black;
  background-color: mintcream;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  row-gap: 50px;
}

#grid-container > div {
  background-color: yellow;
}
</style>
</head>
<body>

<h1>row-gap 属性</h1>
<p>row-gap 属性定义网格行之间的间隙:</p>

<div id="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>9</div>
  <div>10</div>
</div>

</body>
</html>
运行结果: