Блоки форума - Дизайн и модификация Invision Power Board

.catheader
{
    background: #343F46 url(http://forum.jedi.com.ua/style_images/jedi/tile_head.gif) repeat-x;
    float: left;
    width: 100%;
    border-bottom: 1px solid #000;
    height: 31px;
    font-size: 11px;
    margin: 0px;
    padding: 0px;
    display: inline;
    text-align: left;
}

.catheader1
{
    background: url(http://forum.jedi.com.ua/style_images/jedi/cat_left.gif) no-repeat left top;
    text-align: center;
    float: left;
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 31px;
    display: block;
}

<div class="catheader"><div class="catheader1"><div class="catheader2"><div class="headertext"><a href="javascript:togglecategory(272, 0);" ><img src='style_images/jedi/exp_plus.gif' border='0'  alt='Развернуть' />&nbsp;&nbsp;&nbsp;<a href="http://forum.jedi.com.ua/index.php?showforum=272">Наш портал</a></a></div></div></div></div>