Mudar isto

Código:

body {
    background-color: #164269;
    color: #5A5A5A;
    font-family: tahoma,helvetica,arial,sans-serif;
    font-size: 13px;
    padding-bottom: 15px;
    margin-top: 15px;
}

.pun {
    background-color: #fff;
    width: 980px;
}

#pun_out {
    background:url("http://i43.servimg.com/u/f43/14/53/79/27/matti10.png") repeat;background:rgba(0,0,0,0.18);
    border:1px solid #0b2337;
    border:1px solid rgba(0,0,0,0.35);
    -webkit-box-shadow:inset rgba(255,255,255,0.1) 0px 0px 0px 1px;
    -moz-box-shadow:inset rgba(255,255,255,0.1) 0px 0px 0px 1px;
    box-shadow:inset rgba(255,255,255,0.1) 0px 0px 0px 1px;
    padding:8px;
    position:relative;
    width: 990px;
    margin-left: auto;
    margin-right: auto;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}

#pun-intro {
    background-color: #0c70a3;
    background-image: url("http://i43.servimg.com/u/f43/14/53/79/27/backgr10.png");
    background-repeat: repeat-x;
    padding: 1.5em 1em 1em 1em;
    border-bottom: 0px solid #1586c0;
    text-align: left;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.75) inset;
    margin-bottom: 10px;
    border: 1px solid #296fa5;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    height: 85px;
}

.main .main-head {
    background-color: #0c70a3;
    background-image: url("http://i43.servimg.com/u/f43/14/53/79/27/bg-top10.png");
    background-position: 50% 50%;
    background-repeat: repeat-x;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25) inset, 0 1px 3px rgba(0, 0, 0, 0.3), 0 2px 0 rgba(255, 255, 255, 0.2) inset;
    color: #FFFFFF;
    font-size: 12px;
    font-weight: bold !important;
    margin-top: 15px;
    padding-bottom: 13px;
    padding-left: 13px;
    padding-right: 13px;
    padding-top: 13px;
    text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
    -webkit-border-radius: 4px 4px 0px 0px;
    -moz-border-radius: 4px 4px 0px 0px;
    border-radius: 4px 4px 0px 0px;
}

.pun .main-content {
    background-color: #FBFBFB;
    border: 1px solid #B9C4CD;
}

.pun table.table td {
    background: #ededed url(http://2img.net/i/fa/empty.gif) repeat-x top left;
    border-top: 1px solid #B9C4CD;
    border-right: 0px solid #000;
    border-left: 0px solid #000;
    line-height: 130%;
    padding-bottom: 0.7em;
    padding-left: 0;
    padding-right: 0;
    padding-top: 0.6em;
}
.pun .main table td.tc2, .pun .main table td.tc3 {
    background: #ededed url(http://2img.net/i/fa/empty.gif) repeat-x top left;
    border-top: 1px solid #B9C4CD;
}

.pun table.table th {
    background: #e5ecf1 url() repeat-x 0 50%;
    color: #333333;
    padding-bottom: 0.5em;
    padding-left: 0;
    padding-right: 0;
    padding-top: 0.5em;
}

#pun-logo {
    margin-left: -13px;
    margin-top: -22px;
}

#pun-logo:hover { opacity: 0.8; }

.for_topics {
    width: 74px;
    height: 33px;
    background: url("http://i43.servimg.com/u/f43/14/53/79/27/fp10.png") no-repeat left top;
    text-align: center;
    font-size: 12px;
    font-weight: bold;   
    line-height: normal;
    color: #0e2c3e;
    padding-top: 3px;
    margin-left: 13px;
}

.for_topics span {
    display: block;
    color: #105289;
    font-size: 10px;
}

.for_posts {
    width: 74px;
    height: 33px;
    background: url("http://i43.servimg.com/u/f43/14/53/79/27/fp10.png") no-repeat left top;
    text-align: center;
    font-size: 12px;
    font-weight: bold;   
    line-height: normal;
    color: #0e2c3e;
    padding-top: 3px;
    margin-left: 13px;
}

.for_posts span {
    display: block;
    color: #105289;
    font-size: 10px;
}

.page-title h2, .page-title span {
    color: #FFFFFF !important;
    font-size: 14px;
    font-weight: bold;
}

.pun .paged-head, .pun .paged-foot {
    border: 0px solid !important;
    background-color: !important;
    padding: 0.6em 1.3em 0.3em 1.3em;

}

.pun .frm-form {
   background: !important;
   border: none;

}

#pun-head #pun-navlinks {
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2) inset;
    background-color: #304154;
    background-image: url("http://i15.servimg.com/u/f15/17/81/69/41/4h4bi110.png");
    background-origin: padding-box;
    background-position: 0 0;
    background-repeat: repeat-x;
    border: 1px solid #1E2831;
    height: 28px;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}

#pun-navlinks ul {
    text-align: center;
}
#pun-navlinks li {
    display: inline;
    font-size: 15px;
    line-height: 30px;
}
#pun-navlinks li a {
    margin-left: -8px;
    margin-right: -8px;
    color: #fff;
    font-family: tahoma,helvetica,arial,sans-serif
    text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.8);
    padding-top: 12px;
    padding-left: 14px;
    padding-right: 14px;
    padding-bottom: 10px;
}
#pun-navlinks a, #pun-navlinks a:visited {
    text-decoration: none;
}
#pun-navlinks a:active, #pun-navlinks a:focus, #pun-navlinks a:hover {
    text-decoration: none;
    color: #fff;
    text-shadow: 0 0 4px rgba(255, 255, 255, 0.7);
    padding-top: 12px;
    padding-left: 14px;
    padding-right: 14px;
    padding-bottom: 10px;
    background-color: rgba(0, 0, 0, 0.2);
}

.main .main-foot{
    background-color: #fff;
    color: #666;
    font-weight: 400;
    padding-bottom: 0.7em;
    padding-left: 1.3em;
    padding-right: 1.3em;
    padding-top: 0.7em;
}

.pun a:link { color: #105289;text-decoration: none;}
.pun a:visited { color: #105289;}
.pun a:hover { color: #ff6600; text-decoration: none;}
.pun a:active { color: #990000;}

#pun-title {
    display: none;
}

.pun .post {
    border: 1px solid #CBDAEA;
    margin: 10px;
    background: #FDFEFF;
}

.postfoot {
    border-top: 1px solid #CBDAEA;
    clear: both;
    margin-left: -17em;
    padding-bottom: 0.5em;
    padding-left: 1em;
    padding-right: 1em;
    padding-top: 0.5em;
    text-align: right;
    background: #F4FAFF;
}

.pun .postmain {
    background-color: #FDFEFF;
    border-left: 1px solid #CBDAEA;
    margin-left: 17em;
}
.pun .posthead {
    background-color: #F4FAFF;
    border-bottom: 1px solid #CBDAEA;
    padding-bottom: 0.5em;
    padding-left: 1em;
    padding-right: 1.3em;
    padding-top: 0.5em;
}

.entry-content {
    font-family: Verdana,Helvetica,Arial,sans-serif;
    font-size: 13px;
}

.user-contact a {
    background-color: #2e425a;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    color: #FFFFFF;
    display: inline-block;
    padding: 3px;
    box-shadow: rgba(0,0,0,0.6) 0px 0px 2px;
    -webkit-box-shadow: rgba(0,0,0,0.6) 0px 0px 2px;
    -moz-box-shadow: rgba(0,0,0,0.6) 0px 0px 2px;
    -khtml-box-shadow: rgba(0,0,0,0.6) 0px 0px 2px;
}

.codebox {
    background-color: #E4EAF2;
    margin-bottom: 1em;
    margin-left: 1em;
    margin-right: 1em;
    margin-top: 1em;
    border: 1px solid #8394B2;
    border-left: 4px solid #8394B2;
}
.codebox dt {
    border-bottom: 1px solid #8394B2;
    padding-bottom: 0.25em;
    padding-left: 0.25em;
    padding-right: 0.25em;
    padding-top: 0.25em;
    font-weight: bold;
    color: #8394B2;
}
.codebox dd {
    background-color: #fff;
    color: #435C7A;
    margin-bottom: 1px;
    margin-left: 1px;
    margin-right: 1px;
    margin-top: 1px;
    padding-bottom: 4px;
    padding-left: 4px;
    padding-right: 4px;
    padding-top: 4px;
}

.postmain blockquote {
    background-color: #FFFFFF;
    border: 1px solid #4E6A97;
    padding-bottom: 0.5em;
    padding-left: 1em;
    padding-right: 1em;
    padding-top: 0.5em;
    border-radius: 3px; -webkit-border-radius:  3px; -moz-border-radius:  3px; -khtml-border-radius:  3px;
}

#pun-about {
    background-color: #F4F4F4;
    border: 1px solid #DDDDDD;
    line-height: 150%;
    padding-bottom: 0.6em;
    padding-left: 1em;
    padding-right: 1em;
    padding-top: 0.6em;
    text-align: right;

}
#pun-about ul {
    list-style-type: none;
}
#pun-about ul li {
    display: inline;
}
#pun-about ul li a {
    font-weight: normal;
    text-decoration: none;
}
#pun-about #qjump {
    display: none;
}

#pun-visit, .main-box {
    background-color: #F4F4F4;
    border: 1px solid #B9C4CD;
    margin-left: 0;
    margin-right: 0;
    margin-top: 0;
    padding-bottom: 0.6em;
    padding-left: 1em;
    padding-right: 1em;
    padding-top: 0.6em;

}

#search_box{display:none}

dl.codebox.spoiler{border-radius:5px;-moz-border-radius:5px;-webkit-border-radius:5px}


.post_field {
font-weight: 700;
}





.forumbg {
background-color: black;
background-image: url(http://i32.servimg.com/u/f32/17/12/21/41/catego11.png);
background-position: 0 0;
background-repeat: repeat-x;
border: 2px solid #E90B0B;
clear: both;
margin-bottom: 4px;
padding: 0 5px;
}

.main .main-head {
background-color: #0C70A3!important;
background-image: url(URLDAIMAGEM)!important;
background-position: 50% 50%;
background-repeat: repeat-x;
border-radius: 4px 4px 0px 0px;
box-shadow: rgba(0, 0, 0, 0.247059) 0px 0px 0px 1px inset, rgba(0, 0, 0, 0.298039) 0px 1px 3px, rgba(255, 255, 255, 0.2) 0px 2px 0px inset;
color: white;
font-size: 12px;
margin-top: 15px;
padding: 13px;
text-shadow: rgba(0, 0, 0, 0.247059) 0px -1px 0px;
font-weight: 700;
}