代码示例:(标识:css_grid_item)
<!DOCTYPE html>
<html>
<head>
<style>
.grid-container {
  display: grid;
  grid-gap: 10px;
  background-color: #2196F3;
  padding: 10px;
}

.grid-item {
  background-color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 20px;
  font-size: 30px;
}

.item1 {
  grid-column: 1 / span 2;
  grid-row: 1;
}

.item2 {
  grid-column: 3;
  grid-row: 1 / span 2;
}

.item5 {
  grid-column: 1 / span 3;
  grid-row: 3;
}
</style>
</head>
<body>

<h1>五项目的网格布局:</h1>

<div class="grid-container">
  <div class="grid-item item1">1</div>
  <div class="grid-item item2">2</div>
  <div class="grid-item item3">3</div>  
  <div class="grid-item item4">4</div>
  <div class="grid-item item5">5</div>
</div>

<p>网格容器的直接子元素自动成为网格项目。</p>

<p>Item 1、2 以及 5 被设置为横跨多列或行。</p>

</body>
</html>
运行结果: