play with
themes/DarkBlue/tables.php
Code:
echo "<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"5\">
<tr>
<td><table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"1\">
<tr>
<td bgcolor=\"#31404E\"><table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"1\">
<tr>
<td bgcolor=\"#D1D7DC\"><table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">
<tr>
<td bgcolor=\"#3F5569\"><table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"4\">
<tr>
<td>";
you're pretty sharp..it should be obvious what to modify