habs gemacht wie beschrieben, ist aber leider immer noch nicht breiter, jetzt ist das forum von rechts nach links gerutscht aber noch die alte größe.
hier mal die css
/* Codierung by www.Maretz.eu - Free Ilch Clan und Community Templates */
/* Template mar_AeroX */
/* Grund */
.left {float: left;}
.right {float: right;}
#full {width: 1122px;border: none;margin:0; padding:0;}
#one {width: 1122px;border: none;}
body {background-color: #111111;background-image: url('images/background.jpg') ;background-attachment:fixed;background-position: 50% 0%;background-repeat:no-repeat;margin:0; padding:0;}
/* Aufbau Template */
#user_panel {background-image: url(images/bg_userpanel.png);float: left;width: 1122px;height: 70px;border: none;}
#header_bereich {background-image: url(images/header_aerox.png);float: left;width: 1122px;height: 200px;border: none;}
#navigation {background-image: url(images/bg_navigation.png);float: left;width: 1122px;height: 45px;border: none;}
#submenue {background-image: url(images/bg_submenu.png);float: left;width: 1122px;height: 34px;border: none;}
#advertisement {background-image: url(images/bg_advertisement.png);float: left;width: 727px;height: 269px;border: none;}
#infopanel {background-image: url(images/bg_infopanel.png);float: left;width: 300px;height: 269px;border: none;}
#infopanel_menue {background-image: url(images/bg_infopanel_navigation.png);float: left;width: 95px;height: 269px;border: none;}
#content-bg {background: url(images/bg_page.png);background-repeat: repeat-y;width: 1122px;border: none;}
#left_col {width: 222px;float: left;padding-top: 0px;padding-left: 0px;padding-right: 0px;padding-bottom: 0px;font-family: Verdana, Arial;font-size: 11px;color: #8E8E8E;overflow: hidden;}
#menuleftmiddle {background: url(images/menu_left_middle.png);background-repeat: repeat-y;width: 222px;border: none;}
#menuleftbottom {background: url(images/menu_left_bottom.png);background-repeat: no-repeat;float: left;align: top;width: 222px;height: 7px; border: none;}
#right_col {width: 222px;float: left;padding-top: 0px;padding-left: 0px;padding-right: 0px;padding-bottom: 0px;font-family: Verdana, Arial;font-size: 11px;color: #8E8E8E;overflow: hidden;}
#menurightmiddle {background: url(images/menu_right_middle.png);background-repeat: repeat-y;width: 222px;float: left;border: none;}
#menurightbottom {background: url(images/menu_right_bottom.png);background-repeat: no-repeat;width: 222px;height: 7px; float: left;border: none;}
#menu_heading_left {background: url(images/menu_left_top.png);width: 222px; height: 35px; color: #00b3ff;font-family: Lucida Console,Verdana, Arial;font-size: 15px;float: left;}
#menu_heading_left_font {display:block;color: #00b3ff;font-family: Lucida Console, Verdana, Arial;font-size:15px;font-weight: normal;text-transform: uppercase;text-shadow: 2px 2px 0 #000000;
filter:dropshadow(color:#000000, offx=2, offy=2);text-align:center;padding-top: 10px;}
#menu_heading_right {background: url(images/menu_right_top.png);width: 222px; height: 35px; color: #00b3ff;font-family: Lucida Console,Verdana, Arial;font-size: 15px;float: left;margin-left: 0px;}
#menu_heading_right_font {display:block;color: #00b3ff;font-family: Lucida Console, Verdana, Arial;font-size: 15px;font-weight: normal;text-transform: uppercase;text-shadow: 2px 2px 0 #000000;
filter:dropshadow(color:#000000, offx=2, offy=2);text-align:center;padding-top: 10px;}
#main_col {width: 678px;float: left;padding-top: 0px;padding-left: 0px;padding-right: 0px;padding-bottom: 0px;clear: none;color: #8E8E8E;text-align:left;font-size: 11px;font-family: Verdana,Arial; overflow: hidden;}
#main_colin {width: 658px;float: left;padding-top: 3px;padding-left: 10px;padding-right: 10px;padding-bottom: 3px;font-family: Verdana, Arial;font-size: 11px;color: #8E8E8E;max-width: 658px;overflow: hidden;}
.menuone {width: 202px;float: left;padding-top: 2px;padding-left: 6px;padding-right: 14px;padding-bottom: 2px;color: #8E8E8E;max-width: 202px;overflow: hidden;}
.menutwo {width: 202px;float: left;padding-top: 2px;padding-left: 14px;padding-right: 6px;padding-bottom: 2px;color: #8E8E8E;max-width: 202px;overflow: hidden; }
#end_content {background-image: url(images/end_site.png);float: left;width: 1122px;height: 10px;border: none;}
#footer {background-image: url(images/bg_footer.png);float: left;width: 1122px;height: 70px;border: none;}
#content-bg_forum {background: url(images/bg_page_forum.png);background-repeat: repeat-y;width: 1122px;border: none;}
#main_col_forum {width: 1122px;float: left;padding-top: 0px;padding-left: 0px;padding-right: 0px;padding-bottom: 0px;clear: none;color: #8E8E8E;text-align:left;font-size: 11px;font-family: Verdana,Arial; overflow: hidden;}
#main_colin_forum {width: 1102px;float: left;padding-top: 3px;padding-left: 10px;padding-right: 14px;padding-bottom: 3px;font-family: Verdana, Arial;font-size: 11px;color: #8E8E8E;max-width: 876px;overflow: hidden;}
/* Buttons,Platzierung,class Werte, Inhalte .... */
#sitename {position:relative;top: 28px;left: 12px;float: left;border: none;}
#login_user {position:relative;top: 2px;right: 11px;float: right;border: none;}
.sitename_font {float: left;border: none;color: #8E8E8E;font-family: Lucida Console,Verdana, Arial;font-size: 16px;font-weight: normal;text-transform: uppercase}
.sitename_font:hover {color: #00b3ff;}
#mytabsmenu {position:relative;width: 529px;height: 43px; top: 2px;left: 2px;float: left;border: none;overflow: hidden;}
#mysubmenuarea {position:relative;width: 1080px;height: 25px; top: 4px;left: 21px;float: left;border: none;overflow: hidden;}
.mainN {display:inline-block;width:108px;height:43px;background:transparent url('images/buttons/main.png') no-repeat top left;}
.mainN:hover {display:inline-block;width:108px;height:43px;background:transparent url('images/buttons/main.png') no-repeat bottom right;}
.clanN {display:inline-block;width:123px;height:43px;background:transparent url('images/buttons/clan.png') no-repeat top left;}
.clanN:hover {display:inline-block;width:123px;height:43px;background:transparent url('images/buttons/clan.png') no-repeat bottom right;}
.commN {display:inline-block;width:199px;height:43px;background:transparent url('images/buttons/community.png') no-repeat top left;}
.commN:hover {display:inline-block;width:199px;height:43px;background:transparent url('images/buttons/community.png') no-repeat bottom right;}
.miscN {display:inline-block;width:99px;height:43px;background:transparent url('images/buttons/misc.png') no-repeat top left;}
.miscN:hover {display:inline-block;width:99px;height:43px;background:transparent url('images/buttons/misc.png') no-repeat bottom right;}
.tabsmenuclass ul {overflow: hidden;width: auto;margin: 0;padding: 0;list-style-type: none;}
.tabsmenuclass li {float: left;}
.tabsmenucontentclass {clear: left;width: 1080;height: 25px;padding: 5px;border: 0px solid silver;color:#8E8E8E;}
.tabsmenucontentclass ul{margin: 0;padding: 0;list-style-type: none;}
.tabsmenucontentclass li{float: left;margin-right: 1em;}
.submenufont {Color: #8E8E8E;font-family: Verdana, Arial;font-size: 12px;font-weight: normal;text-decoration: none;float:left;text-transform: uppercase;text-shadow: 2px 2px 0 #000000;
filter:dropshadow(color:#000000, offx=2, offy=2);}
.submenufont:hover {Color: #00b3ff;}
.a_news {display:inline-block;width:87px;height:47px;background:transparent url('images/buttons/a_news.png') no-repeat top left;}
.a_news:hover {display:inline-block;width:87px;height:47px;background:transparent url('images/buttons/a_news.png') no-repeat bottom right;}
.a_forum {display:inline-block;width:87px;height:49px;background:transparent url('images/buttons/a_forum.png') no-repeat top left;}
.a_forum:hover {display:inline-block;width:87px;height:49px;background:transparent url('images/buttons/a_forum.png') no-repeat bottom right;}
.n_wars {display:inline-block;width:87px;height:49px;background:transparent url('images/buttons/n_wars.png') no-repeat top left;}
.n_wars:hover {display:inline-block;width:87px;height:49px;background:transparent url('images/buttons/n_wars.png') no-repeat bottom right;}
.l_wars {display:inline-block;width:87px;height:47px;background:transparent url('images/buttons/l_wars.png') no-repeat top left;}
.l_wars:hover {display:inline-block;width:87px;height:47px;background:transparent url('images/buttons/l_wars.png') no-repeat bottom right;}
#infopanel_menue_box {position:relative;color:#ffffff;width: 87px;height: 192px; top: 65px;left: 5px;float:left;overflow:hidden;}
.hmenustyle { color:#00b3ff; font-family: Verdana, Arial; font-size: 12px; font-weight: bold;}
.hmenustyle:hover { color:#00b3ff; font-family: Verdana, Arial; font-size: 12px; font-weight: bold;}
.gameserver {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/gameserver.png') no-repeat top left;}
.gameserver:hover {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/gameserver.png') no-repeat bottom right;}
.ts {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/ts.png') no-repeat top left;}
.ts:hover {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/ts.png') no-repeat bottom right;}
.youtube {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/youtube.png') no-repeat top left;}
.youtube:hover {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/youtube.png') no-repeat bottom right;}
.facebook {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/facebook.png') no-repeat top left;}
.facebook:hover {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/facebook.png') no-repeat bottom right;}
.esl {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/esl.png') no-repeat top left;}
.esl:hover {display:inline-block;width:33px;height:33px;background:transparent url('images/buttons/esl.png') no-repeat bottom right;}
.loginfontoff {Color: #8E8E8E;font-family: Lucida Console, Verdana, Arial;text-transform: uppercase;font-size: 11px;font-weight: normal;text-decoration: none;}
.loginfontoff:hover {Color: #00b3ff;}
#social_icon {position:relative;color:#ffffff;height: 33px;top:6px;right:19px;float: right;}
.loginb {display:block;width:68px;height:59px;border:none;background:transparent url('images/buttons/login.png') no-repeat top left;}
.loginb:hover {display:block;width:68px;height:59px;border:none;background:transparent url('images/buttons/login.png') no-repeat bottom right;}
.logoutb {display:block;width:68px;height:59px;border:none;background:transparent url('images/buttons/logout.png') no-repeat top left;}
.logoutb:hover {display:block;width:68px;height:59px;border:none;background:transparent url('images/buttons/logout.png') no-repeat bottom right;}
.user_login_name {Color: #00b3ff;font-family: Lucida Console, Verdana, Arial;text-transform: none;font-size: 15px;font-weight: normal;text-decoration: none;}
#sitename_foot {position:relative;top:47px;left:14px;float: left;Color: #8E8E8E;font-family: Lucida Console, Verdana, Arial;text-transform: none;font-size: 12px;font-weight: normal;
text-decoration: none;}
.top {display:inline-block;width:35px;height:23px;background:transparent url('images/buttons/top.png') no-repeat top left;}
#top_foot {position:relative;top: 7px;right: 14px;float: right;border: none;}
.mar_c {display:inline-block;width:184px;height:13px;}
#mar {position:relative;top: 45px;right: -22px;float: right;border: none;}
#infobox_panel {position:relative;width: 269px;height: 192px; top: 65px;left: 23px;float: left;border: none;overflow: hidden;color:#8e8e8e;}
.box_mite {float:right;margin-top:2px;margin-right:5px;color:#8e8e8e; font-size:10px;font-family: Lucida Console,Verdana,Arial;font-weight:bold;text-shadow: 2px 2px 0 #000000;
filter:dropshadow(color:#000000, offx=2, offy=2);}
.title2 {font-size: 9px;font-weight: bold;color: #00b3ff;font-family: Helvetica, Verdana, Arial, sans-serif; }
.title3 {font-size: 9px;font-weight: bold;color: #CCCCCC;font-family: Helvetica, Verdana, Arial, sans-serif; }
.smalfont2 {font-size: 12px;font-weight: normal;color: #00b3ff;font-family: Helvetica, Verdana, Arial, sans-serif; }
.boxen_font {color: #CCCCCC;font-family: Verdana,Arial;font-size: 12px;text-decoration: none;}
.boxen_font:hover {color: #00b3ff;text-decoration: none;}
.lastwarsbox {color: #000000; font-size: 12px; font-family: Arial, Helvetica, sans-serif;}
.lastwarsbox:hover {color: #000000; font-size: 12px; font-family: Arial, Helvetica, sans-serif;}
.black_overlay {display: none;position: fixed;top: 0%;left: 0%;width: 100%;height: 100%;background-color: black;z-index:1001;-moz-opacity: 0.8;opacity:.80;filter: alpha(opacity=80);}
.white_content {display: none;position: fixed;top: 5%;left: 40%;width: 300px;height: 500px;padding: 3px;border: 2px solid #00b3ff;background-color: #0a0a0a;color: #ffffff;z-index:1002;overflow: auto;}
.closed {float:left;display:block;width: 16px;height: 16px;background-image: url('images/buttons/closed.png');background-repeat: no-repeat;}
.black_overlay1 {display: none;position: fixed;top: 0%;left: 0%;width: 100%;height: 100%;background-color: black;z-index:1001;-moz-opacity: 0.8;opacity:.80;filter: alpha(opacity=80);}
.white_content1 {display: none;position: fixed;top: 5%;left: 40%;width: 485px;height: 580px;padding: 3px;border: 2px solid #00b3ff;background-color: #0a0a0a;color: #ffffff;z-index:1002;overflow: auto;}
/* Advertisement Box */
#bannerRotator {position:relative;color:#ffffff;width: 727px;height: 192px; top: 65px;left: 20px;float: left;max-width: 727px;overflow:hidden;}
#bannerRotator ul li img { max-width:727px; max-height:192px;border: none;overflow:hidden;}
#bannerRotator ul { list-style:none; padding:0; position:relative; margin:0;border: none; }
#bannerRotator ul li { display:none; position:absolute; border: none; }
#bannerRotator ul li a { text-decoration:none; border: none; }
#bannerNav { position:absolute; right:55px; top:5px; background:url(advertisement/img/transBlack75.png) repeat 0 0; padding:5px 5px 5px 10px;border: 1px solid #00b3ff;outline: 1px solid #000000;}
#bannerNav a { margin:3px 10px 0 0; height:10px; width:10px; display:block; background:url(advertisement/img/dotDark.png) no-repeat 0 0; float:left; }
#bannerNav a.active { background-image:url(advertisement/img/dotLight.png); }
#bannerNav span.pause,
#bannerNav span.play { cursor:pointer; height:15px; width:15px; display:block; background:url(advertisement/img/pause.png) no-repeat 0 0; float:left; }
#bannerNav span.play { background-image:url(advertisement/img/play.png) }
/* Ilch CMS Einstellungen , Infos Belegung unter http://www.maretz.eu/index.php?faqsys-C5#faq14 */
.a {color: #8e8e8e;}
.title {font-size: 15px;font-family: Verdana, Arial, sans-serif;font-weight: bold;color: #00b3ff;}
.bcontent {margin-left: 10px;}
td {font-family: Verdana,Arial; font-size: 12px;color: #8e8e8e;}
a {color: #8e8e8e;font-family: Verdana,Arial; font-size: 12px; text-decoration: none;}
a:hover { color: #00b3ff;text-decoration: none;}
a.box {color: #8e8e8e;font-family: Verdana,Arial;font-size: 12px;text-decoration: none;}
a.box:hover {color: #00b3ff;text-decoration: none;}
.Chead {background: url(images/chead.png);background-repeat: repeat-x;background-color: #000000;color: #ffffff;font-family: Verdana, Arial, sans-serif;font-size: 12px;}
.Chead td,
.Chead td strong,
.Chead h4,
.Chead td b {color: #cccccc;}
.Cnorm {background-color: #0A0A0A;color: #8e8e8e;}
.Cmite { background-color: #0A0A0A;color:#8e8e8e;}
.mite {background-color: #ffffff;color:#2f2f2f;}
.Cdark {background: url(images/dark.png);background-repeat: repeat-x;background-color: #151515; color: #ffffff;font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 12px;}
.smalfont { color: #00b3ff;font-size: 10px;text-decoration: none; }
.smalfont_copyright {color: #00b3ff;font-size: 11px;text-decoration: none;}
.dltext { color: #00b3ff;font-size: 11px;text-decoration: none; }
.downloads {background-color: #2f2f2f;color: #a0070a;font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 10px;}
.border {background-color: #4C4C4C;}
a.border {color: #4C4C4C;}
.rand {border: 1px solid #4C4C4C;}
hr {height: 1px;border: solid #111111 1px;border-top-width: 1px;width: 100%;}
select {color: #2f2f2f;background-color: #ffffff;font: 11px Verdana, Arial; border-color: #111111;border-width: 1px;border-style: double; font-weight: normal; text-decoration: none;}
#menu ul { padding-left: 10px; margin-left: 10px; }
#smallmenu li { font-size: 11px; }
#smallmenu a { font-size: 11px; }
.content {font-size: 11px;font-weight: bold;color: #8e8e8e;}
legend {font-size: 12px;font-weight: normal;color: #8e8e8e;}
fieldset {overflow: auto;border: 1px solid #8e8e8e;}
input {overflow: auto;border: 1px solid #111111;}
textarea {overflow: auto;border: 1px solid #8e8e8e;}
#smallmenu a { font-size: 11px; }