​x
 
<!DOCTYPE html>
<html>
<head>
<style>
.flex-container {
  display: flex;
  height: 200px;
  align-items: baseline;
  background-color: DodgerBlue;
}
​
.flex-container > div {
  background-color: #f1f1f1;
  width: 100px;
  margin: 10px;
  text-align: center;
  line-height: 75px;
  font-size: 30px;
}
</style>
</head>
<body>
<h1>align-items 属性</h1>
​
<p>"align-items: baseline;" 使 flex 项目基线对齐：</p>
​
<div class="flex-container">
  <div><h1>1</h1></div>
  <div><h6>2</h6></div>
  <div><h3>3</h3></div>  
  <div><small>4</small></div>  
</div>
​
</body>
</html>
​