Center this layout horizontally and vertically and keep everything else the same

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Startpage</title>
<link href='http://fonts.googleapis.com/css?family=Monda' rel='stylesheet' type='text/css' />

<style type="text/css">
<!--

body {
    background: #0d151d url(http://i.imgur.com/OU6WhIS.png) center;
    list-style-image: none;
    text-transform: lowercase;
}

#wrap { 
	width: 400px; 
	margin: 0 auto; 
}

#label {
    font-family: Monda, verdana;
    font-size: 8px;
    font-weight: 800;
    color: #9f440d;
    padding-left: 14px;
    text-align: left;
    text-shadow: 1px 1px 0 rgba(12,18,25,0.4);
}

#links {
    width: 100px;
}

#links ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
    font-family: Monda, verdana;
    font-size: 10px;
    font-weight: 400;
    line-height: 12px;
}

#links ul li {
    margin: 0;
    padding: 0;
}

#links a {
    display: block;
    padding: 2px 10px 2px 10px;
    margin: 0 0 1px;
    background-color: #101a23;
    border-left: 2px solid #131F2A;
    text-shadow: #0D1720 1px 1px 0;
    box-shadow: 1px 1px 1px 0px rgba(12,18,25,0.4);
    text-align: left;
}

html>body #links a {
    width: 100px;
}

#links a:link,#links a:visited {
    color: #566470;
    text-decoration: none;
}

#links a:hover {
    background-color: #9f440d;
    color: #c4c4c4;
    border-left: 2px solid #C45310;
    text-shadow: #8C3C0C 1px 1px 0;
}

input,select,textarea {
    font-family: Monda, verdana;
    font-size: 10px;
    font-weight: 400;
    border: 1px solid;
    border-color: #111d26;
    background: #0C141C;
    color: #566470;
    padding: 1px 4px 1px 4px;
    border-radius: 2px;
    box-shadow: 1px 1px 1px 0px rgba(12,18,25,0.4);
}

a {
    outline: 0;
}

a: hover, a: active, a: focus {
    outline: none;
}

input::-moz-focus-inner {
    border: 0;
}

#button {
    background-color: #101a23;
    border: none;
    border-radius: 2px;
    text-shadow: #0D1720 1px 1px 0;
    box-shadow: 1px 1px 1px 0px rgba(12,18,25,0.4);
    font-family: Monda, verdana;
    font-size: 10px;
    font-weight: 400;
    padding: 2px 6px 2px 6px;
}

#button:hover,#button.hover {
    background-color: #9f440d;
    color: #ABADB0;
    text-shadow: #8C3C0C 1px 1px 0;
}

#button:active,#button.active {
    background-color: #9f440d;
    box-shadow: 1px 1px 1px 0px rgba(12,18,25,0.4);
    transform: translateY(1px);
    text-shadow: #8C3C0C 1px 1px 0;
}

/*  SECTIONS  */
.section {
    clear: both;
    padding: 0px;
    margin: 0px;
}

.col {
    display: block;
    float:left;
    margin: 0;
}

.col:first-child { margin-left: 0; }
.group:before,
.group:after { content:""; display:table; }
.group:after { clear:both;}
.group { zoom:1; /* For IE 6/7 */ }

.span_3_of_3 { width: 100%; }
.span_2_of_3 { width: 66.13%; }
.span_1_of_3 { width: 32.26%; }

@media only screen and (max-width: 480px) {
    .col {  margin: 1% 0 1% 0%; }
    .span_3_of_3, .span_2_of_3, .span_1_of_3 { width: 100%; }
}

-->
</style>

</head><body>

<div id="wrap">

<div class="section group">
<div class="col span_1_of_3">
<div id="label">001</div>
<div id="links">
    <ul>
      <li><a href="http://deviantart.com/">deviantart</a></li>
      <li><a href="http://alpha.wallhaven.cc">wallhaven</a></li>
      <li><a href="http://pandora.com">pandora</a></li>
      <li><a href="http://soundcloud.com">soundcloud</a></li>
     </ul>
 </div>
</div>

<div class="col span_1_of_3">
<div id="label">002</div>
<div id="links">    
    <ul>
      <li><a href="http://github.com">github</a></li>
      <li><a href="http://dotshare.it">dotshare</a></li>
      <li><a href="http://gmail.com">gmail</a></li>
      <li><a href="http://youtube.com">youtube</a></li>
    </ul>
</div>
</div>

<div class="col span_1_of_3">
<div id="label">003</div>
<div id="links">
    <ul>
      <li><a href="http://imgur.com">imgur</a></li>
      <li><a href="http://reddit.com">reddit</a></li>
      <li><a href="http://webupd8.org">web upd8</a></li>
      <li><a href="http://gamingonlinux.com">gamingonlinux</a></li>
     </ul>
 </div>
</div>
</div>

<div align="center" style="margin-top: 10px;">
<form method="get" action="http://www.google.com/search">
<input type="text" name="q" size="22" />
<input type="submit" value="search" id="button" />
</form>
</div>
</div>

</body></html>