​x
 
<!DOCTYPE html>
<html>
<head>
<style>
.flex-container {
  display: flex;
  flex-direction: row;
  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>flex-direction 属性</h1>
​
<p>"flex-direction: row;" 水平地并排弹性项目（从左到右）：</p>
​
<div class="flex-container">
  <div>1</div>
  <div>2</div>
  <div>3</div>  
</div>
​
</body>
</html>
​