<!DOCTYPE HTML>
<html>
<head>
<title>Balancing of tables (shrinking)</title>
<style type="text/css">

table, td {
  border: none;
  margin: 0;
  padding: 0;
  border-spacing: 3px;
}

tr { height: 4em; }

td { background: black; background: currentColor; }

body { width: 900px; }

</style>
</head>
<body>

<!--
    cell widths are:
    min   pref   pct
     50    150
     50     50
     50    100*
     50     50   50%

    and the table has 15px of horizontal border-spacing

    sizing to       col width total
    min             200
    min/pct         300
    min/spec        400
    pref            600

  -->

<!-- width: 200px --><table><tr>
<td style="color:aqua"    width="50">&nbsp;</td>
<td style="color:yellow"  width="50">&nbsp;</td>
<td style="color:fuchsia" width="50">&nbsp;</td>
<td style="color:blue"    width="50">&nbsp;</td>
</tr></table>

<!-- width: 250px --><table><tr>
<td style="color:aqua"    width="50">&nbsp;</td>
<td style="color:yellow"  width="50">&nbsp;</td>
<td style="color:fuchsia" width="50">&nbsp;</td>
<td style="color:blue"    width="100">&nbsp;</td>
</tr></table>

<!-- width: 300px --><table><tr>
<td style="color:aqua"    width="50">&nbsp;</td>
<td style="color:yellow"  width="50">&nbsp;</td>
<td style="color:fuchsia" width="50">&nbsp;</td>
<td style="color:blue"    width="150">&nbsp;</td>
</tr></table>

<!-- width: 350px --><table><tr>
<td style="color:aqua"    width="50">&nbsp;</td>
<td style="color:yellow"  width="50">&nbsp;</td>
<td style="color:fuchsia" width="75">&nbsp;</td>
<td style="color:blue"    width="175">&nbsp;</td>
</tr></table>

<!-- width: 400px --><table><tr>
<td style="color:aqua"    width="50">&nbsp;</td>
<td style="color:yellow"  width="50">&nbsp;</td>
<td style="color:fuchsia" width="100">&nbsp;</td>
<td style="color:blue"    width="200">&nbsp;</td>
</tr></table>

<!-- width: 500px --><table><tr>
<td style="color:aqua"    width="100">&nbsp;</td>
<td style="color:yellow"  width="50">&nbsp;</td>
<td style="color:fuchsia" width="100">&nbsp;</td>
<td style="color:blue"    width="250">&nbsp;</td>
</tr></table>

<!-- width: 600px --><table><tr>
<td style="color:aqua"    width="150">&nbsp;</td>
<td style="color:yellow"  width="50">&nbsp;</td>
<td style="color:fuchsia" width="100">&nbsp;</td>
<td style="color:blue"    width="300">&nbsp;</td>
</tr></table>

<!-- width: 800px --><table><tr>
<td style="color:aqua"    width="225">&nbsp;</td>
<td style="color:yellow"  width="75">&nbsp;</td>
<td style="color:fuchsia" width="100">&nbsp;</td>
<td style="color:blue"    width="400">&nbsp;</td>
</tr></table>

</body>
</html>