Using CSS to create table cells of a specific width with no word wrapping

<style>
  table.grid { border: none; border-collapse: collapse; }
  table.grid tbody tr td { padding: 1px 2px; }
  table.grid tbody tr td div { overflow: hidden; white-space: nowrap; }
  table.grid tbody tr td.one { width: 100px; }
  table.grid tbody tr td.two { width: 200px; }
</style>
<table class="grid">
  <tbody>
    <tr>
      <td class="one"><div>One</div></td>
      <td class="two"><div>Two</div></td>
    </tr>
    <tr>
      <td class="one"><div>Another One</div></td>
      <td class="two"><div>Another Two</div></td>
    </tr>
  </tbody>
</table>

<style>
  table.grid { border-collapse: collapse; }
  table.grid tbody tr td { overflow: hidden; white-space: nowrap; padding: 1px 2px; }
  table.grid tbody tr td.one { width: 100px; }
  table.grid tbody tr td.two { width: 200px; }
</style>
<table class="grid">
  <tbody>
    <tr>
      <td class="one"><span>One</span></td>
      <td class="two"><span>Two</span></td>
    </tr>
    <tr>
      <td class="one"><span>Another One</span></td>
      <td class="two"><span>Another Two</span></td>
    </tr>
  </tbody>
</table>

<div class="mainBoxOfTable">
    <div class="Line">
      <div class="ColumnOne">One</div>
      <td class="ColumnTwo">Two</div>
    </div>
    <div class="Line">
      <div class="ColumnOne">another One</div>
      <div class="ColumnTwo">another Two</div>
    </div>
 </div>