Header align

[juneghost]

What is wrong with my header, it is too big and when I edit #maincontent it's not align center.

Codes:
/* Lima
layout by cielo_gris.livejournal.com
credit http://community.livejournal.com/velvetb0x */

/* ------------------------------- */

body
{
background-image:url(http://i26.tinypic.com/jrcj1y.jpg);
background-position: absolute;
background-repeat:repeat;
background-attachment:none;
text-align: justify;
}

::-moz-selection
{background: #F4F4F4;
color: #BBBBBB;}

.title
{color:#333333;
font-family: georgia;
font-size:30px;
letter-spacing:-4px;
text-align:left;
text-transform:uppercase;
margin: 0 0 -8px 0; }

.subtitle {
display:none;}

/*----------- content&entries -----------*/

#content
{
background-color:#transparent;
font-size:10px;
margin:0 auto;
min-height:220px;
width:750px;
}

.subcontent {
background-color: transparent;
margin:0 auto;
}

#maincontent {
color:#7B6772;
font-family:"Trebuchet ms",arial;
font-size:10px;
margin:10px auto;
text-align:left;
width: 750px;
}

.clear
{height: 14px;}

.entry
{
background-color:#F7F7F7;
border-bottom:1px solid #E8E8E8;
border-right:1px solid #E8E8E8;
color:#777777;
font-family:"Trebuchet MS",arial,sans-serif;
font-size:10px;
line-height:1.2;
text-align:justify;
font-weight:bold;
}

.entry_text
{
min-height: 140px;
padding: 10px 10px 15px;
margin: 0 0 0 120px;
}

.subject, .subject a, .subject a:hover
{
background-color:transparent !important;
border-bottom:medium none !important;
color:#444444 !important;
font-family:georgia,sans-serif !important;
font-size:14px !important;
font-style:normal !important;
font-weight:normal !important;
letter-spacing:1px;
line-height:1;
margin-top:-1px;
text-align:right !important;
text-transform:uppercase; }

.datesubject {
background-color: transparent;
margin:0;
padding:5px 5px 0;
position:relative;
text-align: right!important;
}

.date {
background-color:transparent !important;
color:#888888;
font-family:"georgia", sans-serif;
font-size:10px;
letter-spacing:1px;
text-transform:lowercase;
}

.currents {
color:#BBBBBB;
font-size:9px;
line-height:11px;
margin:-38px 0 0 130px;
padding:10px;
position:relative;
text-align:left;
text-transform:lowercase;
}

.currents strong { color:#AAAAAA; }

.currents div { display: block; }

.ljtags {
background-color:#f2f2f2;
color: #AAAAAA;
margin-bottom:8px;
margin-top:40px;
padding:10px;
position:relative;
text-transform:lowercase;
width:35%;
}

.ljtags a:link, .ljtags a:visited {color:#AAAAAA;}

ul.ljtaglist {background-color:#FFFFFF; padding:20px; list-style:none; margin:0 auto;}

/*--------------- links ---------------*/

a, a:link, a:visited {
font-family: "Lucida Grande","Lucida Sans Unicode", arial, sans-serif;
font-size: 9px;
color: #666666;
background-color; transparent;
font-weight: lighter;
text-decoration:none;
text-transform:;
font-style:normal;
padding:0;
}

a:hover
{
font-family: "Lucida Grande","Lucida Sans Unicode", arial, sans-serif;
font-size: 9px;
color: #B7BE00;
font-style: normal;
font-weight: lighter;
text-decoration:none;
text-transform:;
cursor: help;
padding:0;
}

/*--------------- sidebar ---------------*/

#sidebar {
background-color:#111111;
background-image:url(http://i25.tinypic.com/2ciidz8.png);
background-position: absolute;
background-repeat:repeat;
color:#DDDDDD;
font-family:"Trebuchet MS",arial,sans-serif;
font-size:10px;
font-weight:bold;
border:0;
}

#sidebar_text, #sidebar text, .sidebar_text, .sidebar text {background-color:#000000;}

.sbarbody
{margin:5px auto;
padding:10px 10px 0; }

.sbarbody2{
margin:0 auto;
padding:10px;}

div#sidebar a, div#sidebar a:link, div#sidebar a:visited
{color: #FFFFFF; font-style:normal;}

div#sidebar a:hover
{color:#B7BE00;
font-style:normal;
background-color: transparent;
}

ul.sbarlist
{
background-color:#171717;
list-style: none;
margin:5px auto 0px;
padding:0;
text-align: left;
}

li.sbaritem {font-size: 10px;
margin:0 0 0 5px;
padding: 0 3px;
display:inline;
border-right:1px solid #333333;
letter-spacing:1px; }

li.sbaritem:hover {
font-size: 10px;
margin:0 0 0 5px;
padding: 0 3px;
display:inline;
border-right:1px solid #333333;
letter-spacing:1px;}

li.sbartitle, #sidebar_summary, #sidebar_calendar, #sidebar_tags, h2 { display:none!important; }

/*--------------- header ---------------*/

#header {
margin:0 auto;
text-align:right;
text-transform:lowercase;
}

ul.navheader{
background: transparent url(http://i25.tinypic.com/294566c.png) repeat scroll 0 0;
margin:0;
list-style:none;
display:inline;
padding:2px 0;
border:0;
}

ul.navheader li {
margin:0;
list-style-type: none;
display: inline;
padding:0 0 0 1px;}

.headerimage
{
background-image:url(http://i.imgur.com/dyTltjP.png);
background-repeat: no-repeat;
position: relative;
width: 850px;
height: 315px;
margin:auto;
padding: 0px;
}

div#header a, div#header a:link, div#header a:visited {
background-color:transparent;
border:0 none;
font-family: "Lucida Grande","Lucida Sans Unicode", arial, sans-serif;
font-size: 10px;
color: #888888;
font-style:normal;
font-weight:normal !important;
letter-spacing:1px;
padding:1px 5px;
text-transform:lowercase;
}

div#header a:hover {
background-color:#B7BE00;
border:0 none;
font-family: "Lucida Grande","Lucida Sans Unicode", arial, sans-serif;
font-size: 10px;
color: #ffffff;
font-style:normal;
font-weight:normal !important;
letter-spacing:1px;
padding:1px 5px;
text-transform:lowercase;
}

div#header li.view {
background-color:transparent;
border: 0;
font-family: "Lucida Grande","Lucida Sans Unicode", arial, sans-serif;
font-size: 10px;
color: #B7BE00;
font-style:normal;
font-weight: bold!important;
letter-spacing:1px;
padding:1px 5px;
text-transform:lowercase;
}

/*--------------- footer ---------------*/

#footer {
margin:1px;
padding:0;
text-align:right;
text-transform:lowercase;
z-index:100;
margin:0 auto;
}

ul.navfooter{
padding: 0px;
margin: 0px}

ul.navfooter li {
list-style: none;
margin: 0 5px 0 5px;
display:block; }

div#footer a, div#footer a:link, div#footer a:visited
{
color:#888888;
font-family:georgia, arial;
font-size:12px;
letter-spacing:1px;
padding:5px 10px;
text-transform:uppercase;
font-style:normal!important;
font-weight:normal!important;
}

div#footer a:hover {
color:#BBBBBB;
font-family:georgia, arial;
font-size:12px;
letter-spacing:1px;
padding:5px 10px;
text-transform:uppercase;
font-style:normal!important;
font-weight:normal!important;}

#footer .viewing { display:none; }

/*------------ userpics ------------*/

.userpic
{
background-color:transparent !important;
float:left;
position:relative;
}

.userpicfriends {
background-color:transparent!important;
color:#EEEEEE;
float:left;
position:relative;
text-align:center;}

.userpic img, .userpicfriends img
{background-color:transparent;
border:13px solid #F7F7F7;
}

.userpic img:hover, .userpicfriends img:hover
{background-color:transparent;
border:13px solid #F7F7F7;
}

.userpicfriends a font, .userpicfriends a
{
color: #CCCCCC;
font-style: normal!important;
font-weight:normal!important;
}

.userpicfriends a:hover font, .userpicfriends a:hover
{color: #BBBBBB;
font-style: normal!important;
font-weight:normal!important;}

span.ljuser a {color: #B7BE00; font-style:normal; text-transform:lowercase; font-style:normal; font-weight:normal;}

span.ljuser a:hover {color: #BBBBBB;
font-style:normal; font-weight:normal; text-transform:lowercase;}

/*------------ default userpic ------------*/

.defaultuserpic {
display:none;
float:right;
margin:5px 10px;
padding-top:5px;}

.defaultuserpic img {border: 10px solid #222222; width:60px; height: 60px;}

/*------------ misc ------------*/

div.ContextualPopup .Content {
padding: 10px;
margin: 4px 59px 4px 4px;
background:#F7F7F7!important;
font-size: 9px;
color:#BBBBBB;
font-family:arial;
border: 1px solid #BBBBBB;
}

div.ContextualPopup div.Inner {
position: relative;
top: -2px;
left: -2px;
background-color:transparent!important;
color: #CCCCCC!important;
border:0;
}

div.ContextualPopup div.Inner a:link, div.ContextualPopup div.Inner a:visited {
text-decoration: none !important;
font-weight: none;
color:#CCCCCC!important;
}

div.ContextualPopup div.Inner a:hover {color:#BBBBBB!important; background-color:transparent;}

div.ContextualPopup .Relation {font-family:century gothic, arial;
font-size:14px;
letter-spacing:-1.4px;
font-weight:bold;
text-transform:uppercase; }

div.ContextualPopup .Userpic img {
border:5px solid #333333;
margin:0 -10px 0 0}

#lj_controlstrip { background:#222222; }

#lj_controlstrip a { color: #666666;}

#lj_controlstrip a:hover { color: #AAAAAA; text-decoration:none;}

#lj_controlstrip_statustext {
color:#AAAAAA;
}

#lj_controlstrip input{
background-color:#ffffff;
color: #bbbbbb;
font-family: arial;
font-size: 9px;
font-weight:bold;
letter-spacing:-1px; }

/*------------ calendars ------------*/

ul.year { background-color: #FFFFFF; margin: 0px; color:#CCCCCC; font-size:12px; font-family: georgia, sans-serif; text-align: center; padding: 20px;}

ul.year li {display: inline;}

table.yeartable {margin-top: 0; background-color: #FFFFFF; padding: 20px; width: 100%}

table.yeartable td.yeardate, table.yeartable td.yearday { border:1px solid #EEEEEE; color:#888888;}

table.yeartable td.yearday { background-color: #EEEEEE; text-align: center; color:#999999;}

td.yearmonth {border-style: none;}

/*---------- other ----------*/

strong {color:#B7BE00;}

blockquote, code
{
width: 50%;
padding: 30px;
line-height: 11px;
font-size: 9px;
font-family: arial,sans-serif;
border: 1px solid #EEEEEE;
color: #AAAAAA;
background: transparent;
font-weight:bold;
margin:0 auto;
}

/*------------ comments ------------*/

.comments
{
color:#F7F7F7;
font-family:arial,sans-serif;
font-size:9pt;
margin:0;
padding:15px;
position:relative;
text-align:center;
width:100px;
}

div.comments a, div.comments a:link, div.comments a:visited
{
background-color:#F3F3F3;
color:#888888;
font-family:lucida sans unicode, arial, sans-serif !important;
font-size:12px !important;
font-weight:lighter;
letter-spacing:-1px;
padding:4px;
text-transform:uppercase;
line-height:2;
}

div.comments a:hover
{
background-color:#E9E9E9;
color:#777777;
font-family:lucida sans unicode, arial, sans-serif !important;
font-size:12px !important;
font-weight:lighter;
letter-spacing:-1px;
padding:4px;
text-transform:uppercase;
line-height:2;
}

/*------------ comment pages ------------*/

.datesubjectcomment
{
color: #BBBBBB;
background-color: transparent!important;
padding: 5px;
margin-top: 0px;
}

.userpiccomment
{
position: relative;
float: left;
padding: 0px;
margin-right: 10px;
text-align: center;
border-style: solid;
border-width: 8px;
border-color: #EEEEEE;
background:;
font-family: arial, sans-serif;
font-size: 9px;
z-index: 15;
width:80px; height:80px;
}

.box
{
background-color:transparent;
padding: 0;
clear: left;
border:0;
color:#BBBBBB;
margin:0 auto;
}

input
{
background-color: #FFFFFF;
color: #BBBBBB;
border-style: solid;
border-width: 1px;
border-color: #F6F1EE;
}

textarea
{
background:#FFFFFF;
color: #AAAAAA;
font-family: arial;
font-size: 13px;
border:1px solid #CCCCCC;
letter-spacing:-1px;
}

textarea.textbox
{width: 100% !important;}

.reply
{
position: relative;
margin: 20px 30px 10px 30px;
padding: 25px 10px 10px 10px;
text-align: left;
font-family: arial, sans-serif;
font-size: 10px;
line-height: 125%;
background-color: #FFFFFF;
color: #999999;
}

.replytosubject
{font-weight: bold;}

.commentreply
{
position: relative;
font-size: 10px;
font-family: "trebuchet MS", sans-serif;
color: #999999;
font-weight:bold;
padding:5px 0;
}

.commentbox
{
padding: 5px;
margin: 10px 0;
margin-left: 0;
background-color: #FFFFFF;
background-image: url();
color:#999999;
font-size:10px;
border:0;
}

.datesubjectcomment a:link, .datesubjectcomment a:visited
{
color: #B7BE00;
}

.datesubjectcomment a:hover
{
color: #BBBBBB;
font-style:none!important;
}

.commentboxpartial
{
border-color:;
border-width: 0px;
border-style: solid;
padding: 10px;
margin: 10px;
background-color: #FFFFFF;
}

.commentinfo
{
background-color: #FFFFFF;
margin-top: 0px;
width: 100%;
}

.skiplinks
{
background-color:#F7F7F7;
color: #CCCCCC;
font-size:7px;
text-align: center;
padding: 8px;
}

li.viewing {display:none; visibility:hidden; font-size:0px;}

/*------------ tiny icons ------------*/

img[src*="icon_protected.gif"], img[src*="icon_private.gif"], img[src*="icon_groups.gif"], .ljuser img[src*="syndicated.gif"], .ljuser img[src*="newsinfo.gif"], .ljuser img[src*="partnercomm.gif"], .ljuser img[src*="sponcomm.gif"], img[src*="userinfo.gif"], img[src*="talk/none.gif"], img[src*="help.gif"] {height: 0px; width: 0px;background: transparent none no-repeat scroll 0 0; }

.subject img {vertical-align: middle !important;}
img[src*="icon_protected.gif"]{ background-image:url(http://img20.imageshack.us/img20/1182/183o.png);
padding:0 0 11px 12px !important;}
img[src*="icon_private.gif"]{ background-image:url(http://img20.imageshack.us/img20/1182/183o.png); padding:0 0 11px 12px !important;}
img[src*="icon_groups.gif"]{ background-image:url(http://img20.imageshack.us/img20/1182/183o.png); padding:0 0 11px 12px !important; }

.ljuser img { width: 0; height: 0; background: transparent url(http://img15.imageshack.us/img15/3296/deah00.png) no-repeat 0 0; padding: 16px 16px 0 0px !important; vertical-align: baseline !important;}
.ljuser img[src*="userinfo.gif"] { background: transparent url(http://img15.imageshack.us/img15/3296/deah00.png) no-repeat center left !important; padding: 16px 16px 0 0px !important; }
.ljuser img[src*="community.gif"] { background: transparent url(http://img18.imageshack.us/img18/1677/280194y.png) no-repeat scroll 0 0 !important; padding: 16px 16px 0 0px !important; }

img[src="http://l-stat.livejournal.com/img/btn_track.gif"] {
background:transparent url(http://img190.imageshack.us/img190/4688/041.png) repeat scroll 0 0; height: 0; padding: 0 0 16px 16px !important; width:0; }

img[src="http://l-stat.livejournal.com/img/btn_freeze.gif"] {
background:transparent url(http://img35.imageshack.us/img35/1876/091s.png) repeat scroll 0 0; height: 0; padding: 0 0 16px 16px !important; width:0; }

img[src="http://l-stat.livejournal.com/img/btn_del.gif"] {
background:transparent url(http://img25.imageshack.us/img25/1674/101hec.png) repeat scroll 0 0; height: 0; padding: 0 0 16px 16px !important; width:0; }

img[src="http://l-stat.livejournal.com/img/btn_scr.gif"] {
background:transparent url(http://img37.imageshack.us/img37/2053/150qlp.png) repeat scroll 0 0; height: 0; padding: 0 0 16px 16px !important; width:0; }

(Sorry my bad English, hope somebody understand!)