Petit problême marge de DIV en CSS...

Bonjour,

Voilà le début de mon site :

http://www.escienca.com/

Je voudrais que le module "Recherche" (à droite), sois plus bas, mais je ne trouve pas comment augmenter la marge haute, voici le code CSS complet, avec en gras la partie concernant spécifiquement le module "Rechercher" donc:

/* PAGE STYLE */
body {
margin-left:57px;

padding:0px;
background:#000000;
color:#ffffff;
min-width:700px;
font-family:'Verdana', sans-serif;
font-size:9pt;
font-weight:500;
line-height:12pt;
text-decoration: none;
margin-top:0px;
}
table {
font-family:'Verdana', sans-serif;
font-size:9pt;
}
form {
margin:0px;
}
a {
color: #ffffff;
text-decoration: underline;
}
a img{ border:none;}
hr {
border:0;
width:100%;
color:#ffffff;
background-color:#000000;
height:1px;
width:100%;
margin:6px 0px 12px 0px;
}
#wrap {
width:748px;
}
#rule {
height:1px;
background-color:#000000;
width:100%;
margin:6px 0px 12px 0px;
}
h2 {
font-size:16px;
font-weight:bold;
margin:0px;
padding:0px;
}
h3 {
font-size:14px;
font-weight:bold;
margin:0px;
padding:0px;
}

/* MAIN PAGE AREA */

#mainwrap {
float:left;
margin-top:0px;
}
#main {
width:535px;
margin-bottom:0px;
overflow:hidden;
background:#000000;
}
div#header {
background:#000000;
padding:0px 0px 0px;
margin:0;

}
a#mainheadertitle {
margin-top:0px;
padding:0px;
font-family:'Verdana', sans-serif;
font-size:32pt;
font-weight:normal;

color:#FFFFFF;
margin-top:0px;
text-align:left;

text-decoration:none;
}
a#mainheadertitle:hover {
text-decoration:underline;
margin-top:0px;
}
td#mainheaderlogo {
padding:5px;
margin-top:0px;
}
img#mainlogo {
padding-right:5px;
margin-top:0px;
}
div#mainsubheader {
background:#000000;
padding:10px 10px;
vertical-align:middle;
margin-top:0px;
}
div#contentsubheader {
width:482px;
overflow:hidden;
}
div#subheaderlinks {
float:right;
text-align:right;
}
div#subheadertitle {
font-size:12pt;
font-weight:bold;
}
div#contenterror {
background:#000000;
padding:14px 24px;
}
span.currentpage {
font-weight:bold;
}

span.error {
font-weight:bold;
}

/* SIDEBAR */
#sidebar {
float:right;
width:200px;
overflow:hidden;
}
#sidebar ul {
margin-bottom:0;
}
#sidebar h3, #sidebar p {
padding:0 10px;
}

/* GENERAL SIDEBAR WIDGET STYLES */
ul#widget,ul.widget li.widget {
margin:0;
padding:0;
list-style:none;
}
li.widget {
float:left;
width:200px;
margin-bottom:19px;
}
ul#widget div {
background:#000000;
}
ul#widget h3 {
font-family:'Verdana', sans-serif;
font-size: 10pt;
font-weight: bold;
color:#FFFFFF;
margin:0px;
padding:6px 15px 4px;
text-align:left;
background:#000000;
}
ul#widget p {
font-family:'Verdana', sans-serif;
font-size: 9pt;
font-weight: normal;
color:#ffffff;
margin:0px;
padding: 10px 15px 20px;
}

/* SEARCHBROWSE WIDGET */
div#searchbrowse {
padding-top:10px;
}
div#searchbrowse div.indent {
padding: 0px 0px 0px 0px;
}
select.searchwidget {
width:190px;
margin-bottom:6px;
}
input#searchwidgetkeywords {
width:135px;
}
span#SearchAtAmazon {
font-size: 8pt;
}
div#browsetitle {
font-weight:bold;
padding-bottom:20px;
margin-top:10px;
}
span.selectedcategory {
font-weight:bold;
}

/* LISTMANIA WIDGET */
div.listwidget {
padding-bottom:16px;
}
ul.listmania {
margin:0px;
padding:0px;
list-style:none;
}
ul.listmania li {
margin:0px;
padding:5px;
padding-left:10px;
list-style:none;
text-align:center;
}
ul.listmania li.clsOdd,li.listimages {
background-color:#F9F9D5;
}
ul.listmania li.clsEven {
background-color:#EFEFCC;
}

img.listimage {
display:block;
margin-left:auto;
margin-right:auto;
}

/* PRODUCTS WIDGETS */
div.productwidget {
padding:0px;
padding-bottom:16px;
}
div.productwidget .price {
font-weight:bold;
}
table.sidebarproducts {
font-family:'Verdana', sans-serif;
font-size:9pt;
width:200px;
}
table.sidebarproducts td {
padding:5px;
}
table.sidebarproducts td.image {
vertical-align:top;
width:75px;
}
table.sidebarproducts td.text {
vertical-align:middle;
width:115px;
}
table.sidebarproducts span.listtitle {
font-weight:bold;
}
div.privacylink {
padding: 2px 5px;
font-size:7pt;
text-align:center;
}

/* FOOTER */
div#footer {
width:530px;
margin-bottom:42px;
color:#A43907;
border-top:1px solid #A43907;
}
div#footer p {
padding:5px;
margin:0;
}
div#leftfoot {
float:left;
width:430px;
}
div#rightfoot {
float:right;
width:100px;
text-align:right;
}

/* WISHLIST WIDGET */
div#wishlist_page_link
{
padding:7px 5px 5px;
}

Cordialement