Set the width of the table and all other columns; the remaining column will occupy the entire slack.
, table-layout: fixed, ( IE, , ) , .
<col> ; . ; , .
<table>
<col class="name" /><col class="data" /><col class="data" /><col class="data" />
<col class="data" /><col class="data" /><col class="data" /><col class="data" />
<tr>
<td>tiddle om pom pom</td>
<td>1</td><td>2</td><td>3</td><td>4</td><td>5</td><td>6</td><td>7</td>
</tr>
</table>
table { width: 100%; table-layout: fixed; }
col.data { width: 2em; }