Hi again, I have set this in forum.css file for default gray theme
#fireboard .fbs {
font-size: 10px;
color: #000000;
}
#fireboard .fbm {
font-size: 11px;
color: #000000;
}
It has fix the color for this i market on picture, but i can't fix it still for column: Last Post for Forums that hasn't topics still. When Topic is writen color is ok..
Here is the code from fire bug, till text i want to fix. It's not such big deal now but

it could be perfect.
<body>
<div id="header-wrap">
<div id="header_text">
<div id="headermod">
<div class="moduletable">
<form id="form-login" name="login" method="post" action="/forum.html">
<fieldset class="input">
<table id="table1" cellpadding="0" border="0" width="500" style="border-collapse: collapse;">
<tbody>
<tr>
<td width="150">
</td>
<td width="150">
</td>
<td width="200" rowspan="2">
</td>
</tr>
<tr>
</tr>
</tbody>
</table>
</fieldset>
<input type="hidden" value="com_user" name="option"/>
<input type="hidden" value="login" name="task"/>
<input type="hidden" value="aHR0cDovL3ZtcmVqYXRhLmluZm8vZm9ydW0uaHRtbA==" name="return"/>
<input type="hidden" value="1" name="71d41a3118243d4987878a490fe6a308"/>
</form>
</div>
</div>
<h1>
</h1>
<h2>компютри, мрежи и сигурност</h2>
</div>
</div>
<div class="menubar">
</div>
<div id="main-wrapper">
<div class="main-top-left-only"/>
<div id="mainbody-left-only">
<div id="leftcol">
</div>
<div class="main-left-only">
<table cellspacing="0" cellpadding="0" border="0" width="100%">
<tbody>
<tr>
<td width="100%" valign="top">

<div id="fireboard">
<table class="fb_header" cellspacing="0" cellpadding="0" border="0" width="100%">
</table>
<table class="fb_profilebox" cellspacing="0" cellpadding="0" border="0" width="100%">
<tbody id="topprofilebox_tbody">
<tr class="fb_sectiontableentry1">
<td class="td-1 fbm fb_profileboxcnt" align="left" valign="top">
</td>
</tr>
</tbody>
</table>
<div id="fb_block1" class="fb__bt_cvr1">
<div class="fb__bt_cvr2">
<div class="fb__bt_cvr3">
<div class="fb__bt_cvr4">
<div class="fb__bt_cvr5">
<table id="fb_cat1" class="fb_blocktable" cellspacing="0" cellpadding="0" border="0" width="100%">
<thead>
</thead>
<tbody id="catid_1">
<tr class="fb_sth fbs">
</tr>
<tr id="fb_cat2" class="fb_sectiontableentry2">
<td class="td-1" align="center">
</td>
<td class="td-2" align="left">
<div class="fb_thead-title fbl">
<a rel="follow" title="" href="">Windows</a>
</div>
</td>
<td class="td-3 fbm" align="center">0</td>
<td class="td-4 fbm" align="center"> 0 </td>
<td class="td-5" align="left"> No Discusions </td>