в CSS найди
.post_block h3 {
background: #c6d8e9 url(http://infini.csmix.ru/public/style_images/velv/_custom/bg-maintitle.png) repeat-x center left;
padding: 9px 12px;
text-shadow: 0px 1px 0px #fff;
border-radius: 4px;
-moz-border-radius: 4px;
-webkit-border-radius: 4px;
border: 1px solid #a2b6c9;
box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
-webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
-moz-box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
padding: 0 10px;
height: 36px;
line-height: 36px;
font-weight: normal;
font-size: 13px;
}
И за мени на
.post_block h3 {
background: #c6d8e9 url(http://infini.csmix.ru/public/style_images/velv/_custom/bg-maintitle.png) repeat-x center left;
padding: 9px 12px;
text-shadow: #fff;
border-radius: 4px;
-moz-border-radius: 4px;
-webkit-border-radius: 4px;
border: 1px solid #a2b6c9;
box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
-webkit-box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
-moz-box-shadow: inset 0 1px 0 rgba(255,255,255,0.6);
padding: 0 10px;
height: 36px;
line-height: 36px;
font-weight: normal;
font-size: 13px;
}