代码示例:(标识:cssref_justify-items_justify-self)
<!DOCTYPE html>
<html>
<head>
<style> 
#container {
  width: 50%;
  aspect-ratio: 2/1;
  border: 1px solid black;
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-items: center;
}

#container > div {
  border: 1px solid black;
}

.blue {
  background-color: lightblue;
  width: 50%;
  justify-self: right;
}

.red {
  background-color: coral;
  width: 40%;
}

.green {
  background-color: lightgreen;
  width: 60%;
}
</style>
</head>
<body>

<h1>justify-items 对比 justify-self</h1>

<div id="container">
  <div class="red">红色</div>
  <div class="blue">蓝色</div>
  <div class="green">绿色</div>
  <div class="red">红色</div>
</div>

</body>
</html>
运行结果: