tryfoundation_forms_sizing2 在线代码实例

 <form>
  <div class="row">
    <h2>三个相等宽度的输入框</h2>
    <div class="medium-4 columns">
      <label>medium-4 (100% on small, stacked)
        <input type="text" placeholder="Name">
      </label>
    </div>

    <div class="medium-4 columns">
      <label>medium-4 (100% on small, stacked)
        <input type="text" placeholder="Name">
      </label>
    </div>

    <div class="medium-4 columns">
      <label>medium-4 (100% on small, stacked)
        <input type="text" placeholder="Name">
      </label>
    </div>
  </div>
</form>