<div class="container">
  <table>
    <caption><small>Table width is set to 814px. Column widths are also specified but are greater than the width of the table.</small></caption>
    <tr>
      <td class="col-1" style="width: 900px;">The width of the first columns is set to 900px</td>
      <td class="col-2" style="width: 200px;">width of second column is 200px</td>
    </tr>
    <tr>
      <td>content of third cell</td>
      <td>content four</td>
    </tr>
  </table>
</div>
<div class="container container-2">
  <table>
    <caption><small>Table width is set to 814px. Column widths are also specified but are greater than the width of the table.</small></caption>
    <tr>
      <td class="col-1">The width of the first columns is set to 900px</td>
      <td class="col-2">width of second column is 200px</td>
      <td class="col-3">width of third column is 100px</td>
    </tr>
    <tr>
      <td>content of fourth cell</td>
      <td>content five</td>
      <td>content six</td>
    </tr>
  </table>
</div>
@import url(http://fonts.googleapis.com/css?family=Lato:300,400,700,900);
body {
  background-color: #f5f5f5;
  color: #555;
  font-size: 1.1em;
  font-family: 'Lato', sans-serif;
}

.container {
  margin: 40px auto;
  width: 800px;
}

table,
td,
th {
  padding: 1em;
  border: 1px solid #ddd;
  text-align: left;
}

table {
  background-color: white;
  table-layout: auto;
  width: 814px;
}

caption {
  caption-side: bottom;
  font-style: italic;
}

.col-1 {
  width: 900px;
}

.col-2 {
  width: 200px;
}

.col-3 {
  width: 100px;
}