<html>
  <head>
    <style>
      table     { width: 400px; height: 25px; }
      td.blue   { background: lightblue;  }
      td.green  { background: lightgreen; }
      td.skinny { width: 100px }
      td.medium { width: 200px }
      td.wide   { width: 300px }
    </style>
  </head>
  <body>
    With colspan:
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>

    Without colspan:
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
    <table cellspacing=0 cellpadding=0>
      <tbody><tr>
        <td class="blue skinny"></td>
        <td class="green wide"></td>
      </tr></tbody>
    </table>
  </body>
</html>