如何对齐表的特定表数据，HTML

<table>
  <thead>
    <tr>
      <th>列1</th>
      <th>列2</th>
      <th>列3</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>数据1</td>
      <td>数据2</td>
      <td>数据3</td>
    </tr>
    <tr>
      <td>数据4</td>
      <td>数据5</td>
      <td>数据6</td>
    </tr>
  </tbody>
</table>

<style>
  table {
    width: 100%;
    border-collapse: collapse;
  }
  th, td {
    padding: 8px;
    text-align: left;
  }
  th {
    background-color: #f2f2f2;
  }
</style>

<style>
  .align-right {
    text-align: right;
  }
</style>

<table>
  <thead>
    <tr>
      <th>列1</th>
      <th>列2</th>
      <th>列3</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>数据1</td>
      <td class="align-right">数据2</td>
      <td>数据3</td>
    </tr>
    <tr>
      <td>数据4</td>
      <td class="align-right">数据5</td>
      <td>数据6</td>
    </tr>
  </tbody>
</table>