以下实例演示了弹性子元素上 align-self 不同值的应用效果 - 在线编辑器

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    .flex-container {
      display: -webkit-flex;
      display: flex;
      width: 400px;
      height: 250px;
      background-color: lightgrey;
    }

    .flex-item {
      background-color: cornflowerblue;
      width: 60px;
      min-height: 100px;
      margin: 10px;
    }

    .item1 {
      -webkit-align-self: flex-start;
      align-self: flex-start;
    }

    .item2 {
      -webkit-align-self: flex-end;
      align-self: flex-end;
    }

    .item3 {
      -webkit-align-self: center;
      align-self: center;
    }

    .item4 {
      -webkit-align-self: baseline;
      align-self: baseline;
    }

    .item5 {
      -webkit-align-self: stretch;
      align-self: stretch;
    }
  </style>
</head>
<body>

  <div class="flex-container">
    <div class="flex-item item1">flex-start</div>
    <div class="flex-item item2">flex-end</div>
    <div class="flex-item item3">center</div>
    <div class="flex-item item4">baseline</div>
    <div class="flex-item item5">stretch</div>
  </div>

</body>
</html>
​x
 
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <style>
    .flex-container {
      display: -webkit-flex;
      display: flex;
      width: 400px;
      height: 250px;
      background-color: lightgrey;
    }
​
    .flex-item {
      background-color: cornflowerblue;
      width: 60px;
      min-height: 100px;
      margin: 10px;
    }
​
    .item1 {
      -webkit-align-self: flex-start;
      align-self: flex-start;
    }