Sidebar not floating right in IE?

Hi there,

my website https://www.listenup.za.net is having IE issues ??

When you view the site in firefox its perfect, but in IE the sidebar does not float right..although this is the setting in the CSS file

My CSS file is as follows:

Version: 1.5
Author: Nd83
Author URI: https://www.nightday83.art.pl
License: General Public License (GPL)
*/

body{
padding:0px;
margin:0px;
font-family:Trebuchet MS, sans-serif;
font-size:11px;
background:url(images/bg.gif) repeat-x top #4d4d4d;
}

img{
border:0px;
}

a{
color:#044d8b;
text-decoration:none;
}

.sub{
border:0px;
}

input, textarea{
border:1px solid #cecece;
font-size:12px
}

div#page{
width:780px;
text-align:left;
}

.pagetitle {color: #8a3132;}

/*header*/
div#page #header{
width:100%;
height:210px;
background:url(images/header.jpg) no-repeat top #FFFFFF;
}

#logo {
position: absolute;
top: 0px;margin: 0;
padding: 0;
background: transparent url(images/title.png) no-repeat 0 0;
width: 526px;
height: 167px;
overflow: hidden;
line-height: 1000px;}

/* h1 – TITLE if you don\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’t want to use an image*/

#h1 {
position: absolute;
top:40px;
padding: 0 0 0 50px;
font-size: 1.45em;
color: white;}

#h1 h1 a {text-decoration: none;
color: #fff;
letter-spacing: -1px;}

#h1 a:hover {text-decoration: none;
color: #dbefff;}

#search {
position: absolute;
top: 15px;
font: Trebuchet MS, Verdana, Sans-Serif;
width: 763px;
text-align: right;}

#s { color: #ababab;
width: 115px;
font: Trebuchet MS, Verdana, Sans-Serif;
font-size:1.15em;
background: transparent;
border: 0px solid transparent;

}

#s:focus {
color: #3c3c3c;
width: 115px;
font: Trebuchet MS, Verdana, Sans-Serif;
font-size:1.15em;
background: transparent;
border: 0px solid transparent;}

#s:hover {
color: #3c3c3c;
width: 115px;
font: Trebuchet MS, Verdana, Sans-Serif;
font-size:1.15em;
background: transparent;
border: 0px solid transparent;}

/* Menu */

#tabs1 { z-index: 4;
position: absolute;
top: 165px; padding: 0px 0px 0px 22px;
float:left;
background:transparent;
font-size:14px;
line-height:normal;
font-weight:bold;
}
#tabs1 ul {
margin:0;
padding:0px 0px 0px 0px;
list-style:none;
}
#tabs1 li {
display:inline;
margin:0;
}
#tabs1 a{
float:left;
background: transparent url(images/menu.png) no-repeat right top;
margin:0;
color: white;
padding:0px 12px 3px 10px;
text-decoration:none;
}

#tabs1 a:hover {
float:left;
color: #FFFFFF;
margin:0;
text-decoration:none;}

/*header text*/

div#header_text{
width:100%;
height:181px;
background:url(images/header_text_bg.png) no-repeat top #FFFFFF;
}

div#header_text #header_text_title{
padding-top:25px;
padding-left:40px;
color:#FFFFFF;
text-align:left;
font-size:23px;
}

div#header_text #header_text_text{
padding-top:2px;
padding-left:40px;
color:#FFFFFF;
text-align:left;
font-size:10px;
font-family:Trebuchet MS, sans-serif;
line-height:18px;
width:55%;
}

/* blog*/

div#page #blog{
background:#FFFFFF url(images/allbg.gif) repeat-y top left;
}

/* Sidebar */

#sidebar {
float: right;
width: 180px;
}

/* SLIDEBAR Box Style */

.calendar {
text-align:left;
color: #3b74a4;}

.calendar a:hover {
background: #3b74a4;
color: white;
}

.calendar td {
height:15px;
padding: 0px 3px 0px 3px}

.calendar td a {
padding: 0px 3px 0px 3px;background: #cfeeff;
display:block;
color:#3b74a4;
text-decoration:none;
line-height:15px;
}

#today {padding: 0px 3px 0px 3px; background: #3b74a4;
font-weight: bold;
color: white;}

.calendar td a:hover {
display:block;
color: white;
background: #3b74a4;
text-decoration:none;
}

.boxed ul {
list-style: none;
padding:0 0 0 10px;
margin:0;}

.boxed a {
color: #044d8b;
border-bottom: 1px dotted white}

.boxed a:hover {
border-bottom: 1px dotted #65b5f9}

.boxed li
{ background: none;
display: block;
line-height:1.40em;
font-size:1.10em;
padding: 1px 3px 1px 15px;
font-weight: bold;
color: #e89642; background:transparent url(images/mmenu.gif) no-repeat top left;
}

.boxed {
margin: 0px;
}

.boxed .title {
height: 18px;
letter-spacing: 2px;
padding: 1px 0 0 0;
text-align: center;
text-transform: uppercase;
font-size: 1.1em;
color: #FFFFFF;
background:#FFFFFF url(images/sli_title.gif) repeat-y top left;
}

/* Content */

#content {
background:#FFFFFF url(images/allbg.gif) repeat-y top left;
width: 730px;
margin: 0 auto;
padding: 0 35px 0px 15px;

}

blockquote {
margin: 5px;
padding: 0px 5px 5px 35px;
background: transparent url(images/blockquote.gif) no-repeat ;
}

/* Content */

#main {
float: left;
width: 500px;
margin: 0 auto;
padding: 0 30px 0px 5px;
}

/* Sidebar */

#sidebar {
float: right;
width: 175px;
}

.white
{color: white;}

/* Footer */

#footer {
height: 75px;
padding: 55px 0 0 0; line-height:1em;
clear: both;
color: #0033CC;
width: 730px;
margin: 0 auto;
font-size:0.95em;
background: #FFFFFF url(images/footer1.gif);}

#legal {
margin: 0;
padding: 0;
text-align: left;
}

#link {
margin: 0;
padding: 0;
text-align: left;
}

#main a, #main a:hover, #main a:visited,
{
color: #3b74a4;
text-decoration:none;
}

#main h2 {
margin-bottom: .5em;
font-size: 1.6em;
text-decoration:none;
background: transparent url(images/title.jpg) repeat-x top ;
padding: 7px 0px 5px 10px}

#main h2:hover {
text-decoration: none;
color: #3b74a4;
}
.post-author, .post-date, .post-comm, .post-time, .post-cath, .post-edit
{ font-size: 1em;
text-decoration:none;
color: #044d8b; }

.entry {text-algin: justify;
font-size: 1.10em;
color: #02171d}

.post-author {
padding: 0 0 3px 18px;
background: url(images/p_author.gif) no-repeat 0 0;
}
.post-date {
margin: 0 0 0 10px;
padding: 0 0 3px 23px;
background: url(images/p_date.gif) no-repeat 0 0;
}
.post-comm {
padding: 0 0 3px 20px;
background: url(images/p_commen.gif) no-repeat 0 0;
}
.post-time {
padding: 0 0 3px 18px;
background: url(images/p_time.gif) no-repeat 0 0;
}
.post-cath {
padding: 0 0 3px 20px;;
background: url(images/p_cat.gif) no-repeat 0 0;
}

.post-edit {
padding: 0 0 3px 3px;
}

.post{margin:0 0 25px 0;}

.post .info{
padding:2px 3px 3px 8px;
border:1px solid #ccc;
background-color:#f7f7f7;
font-size:0.9em;
color:#505050;
}

/* Comments Styling */
#comment {
margin-bottom: 1.5em;
padding-bottom: 1em;
border-bottom: 1px solid #700000;
font: Trebuchet MS, Verdana, Sans-Serif;
}

#commentlist li {
margin-bottom: 1.5em;
padding-bottom: 1em;
border-bottom: 1px solid #700000;
}

#commentform {
margin: 1em 0;
background: #ffffff;
width: 280px;
}

#commentform textarea {
background: white;
border-top: 1px solid #c8edff;
border-left: 1px solid #c8edff;
border-bottom: 1px solid #29a7e4;
border-right: 1px solid #29a7e4;
width: 280px;
}
#commentform textarea:hover {
background: white;
border-top: 1px solid #29a7e4;
border-left: 1px solid #29a7e4;
border-bottom: 1px solid #c8edff;
border-right: 1px solid #c8edff;
}
#commentform textarea:focus {
background: white;
border-top: 1px solid #29a7e4;
border-left: 1px solid #29a7e4;
border-bottom: 1px solid #c8edff;
border-right: 1px solid #c8edff;
}

#commentform #email, #commentform #author, #commentform #url {
font-size: 1.1em;
background: #fff;
border-top: 1px solid #c8edff;
border-left: 1px solid #c8edff;
border-bottom: 1px solid #29a7e4;
border-right: 1px solid #29a7e4;
width: 280px;
}
#commentform #email:hover, #commentform #author:hover, #commentform #url:hover {
font-size: 1.1em;
background: white;
border-top: 1px solid #29a7e4;
border-left: 1px solid #29a7e4;
border-bottom: 1px solid #c8edff;
border-right: 1px solid #c8edff;
width: 280px;
}
#commentform #email:focus, #commentform #author:focus, #commentform #url:focus {
font-size: 1.1em;
background: white;
border-top: 1px solid #29a7e4;
border-left: 1px solid #29a7e4;
border-bottom: 1px solid #c8edff;
border-right: 1px solid #c8edff;
width: 280px;
}
#commentform input{
margin-bottom: 3px;
}

.submit1{
width: 280px;
cursor:hand;
font-size:1.10em;
background: #fff;
border-top: 1px solid #c8edff;
border-left: 1px solid #c8edff;
border-bottom: 1px solid #29a7e4;
border-right: 1px solid #29a7e4;}

.submit1:hover, .submit1:focus{
background: white;
border-top: 1px solid #29a7e4;
border-left: 1px solid #29a7e4;
border-bottom: 1px solid #c8edff;
border-right: 1px solid #c8edff;}

/*
Theme Name: ThemePress
Theme URI: https://bbpress.org/
Description: The \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\”revolutionized\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\” new face of bbPress.
Version: 0.01 theta-beta
Author: Bryan Veloso
Author URI: https://avalonstar.com
*/

.bbcrumb {
text-transform: uppercase;
font-size: 0.9em;
letter-spacing: 1px;
padding: 5px 0 20px;
}

.notice {
border: 2px solid #4c9545;
background: #abd8a2;
color: #4c9545;
font-size: 1.1em;
font-weight: bold;
padding: 10px 15px;
margin: 0 0 1.1em;
}

.notice p { margin-bottom: 0; }

/* Login Form
=================================== */

.login {
position: absolute;
bottom: 31px;
left: 0;
font-weight: bold;
color: #444;
width: 100%;
z-index: 1;
}

.login p { padding: 0 0 5px; }

.login label {
display: block;
float: left;
padding-right: 10px;
}

.login #submit {
font-size: 1.2em;
margin-top: 13px;
float: left;
}

p.login {
font-weight: normal;
font-size: 1.2em;
}

form.login input {
margin-top: 3px;
border: 1px solid #999;
}

/* Front Page
=================================== */

#front-page #hottags {
position: absolute;
top: 0;
left: 0;
width: 150px;
overflow: hidden;
}

#front-page #discussions {
margin-left: 170px;
width: 590px;
}

.frontpageheatmap {
font-weight: normal;
line-height: 30px;
padding-bottom: 10px;
}

#front-page #main h2, #forum-page #main h2, h2.post-form, #userlogin, #currentfavorites, #register {
color: #333;
border-bottom: 1px solid #ddd;
margin: 0 0 10px;
padding: 0 0 5px;
}

#front-page #discussions ul { padding: 0 0 0 14px; }

.sticky { background: #a1d29a; }

/* Topic Page
=================================== */

.infobox {
border: 1px solid #ccc;
border-width: 1px 0;
padding: 1em;
}

.infobox ul {
margin: 10px 0 10px 12px;
padding: 0;
}

.infobox ul li { padding-bottom: 3px; }

#topic-info {
float: left;
padding: 0 1em 0 0;
}

#topic-tags {
border-left: 1px solid #ccc;
float: right;
padding: 0 0 0 1em;
}

.nav {
margin: 15px 0;
padding: 12px 0;
}

.nav span { font-weight: bold; }

.nav span, .nav a { padding: 6px; }

#thread {
background: #eee;
list-style: none;
margin: 0 0 0 100px;
padding: 0;
}

#thread li {
padding: 1.5em 1.0em;
line-height: 1.5em;
}

#thread li ol, #thread li ul { margin-left: 40px; }

#thread li ol li, #thread li ul li { padding: 0; }

.threadauthor {
margin-left: -110px;
overflow: hidden;
position: absolute;
width: 95px;
}

.threadauthor small { font: 11px Verdana, Arial, Helvetica, sans-serif; }

.poststuff {
border-top: 1px dotted #ccc;
margin: 10px 0 0;
padding: 5px 0 0;
font: 10px Verdana, Arial, Helvetica, sans-serif;
text-transform: uppercase;
}

.num, #forumlist small {
font: 11px Verdana,Arial,Helvetica,sans-serif;
text-align: center;
}

.postform {
background: #f0f0f0;
padding: 1em;
margin-bottom: 1em;
}

.postform textarea {
height: 12em;
margin: 5px 0;
padding: 5px;
width: 720px;
display: block;
}

.postform label { display: block; }

#manage-tags {
margin: 10px 0;
list-style: none;
}

#manage-tags li {
float: left;
width: 200px;
padding-bottom: 10px;
}

.submit { text-align: right; }

.topiclink { display: block; }

.topictitle {
font-size: 26px;
font-weight: normal;
display: inline;
}

/* Other
=================================== */

#content .frontpageheatmap a {
font-weight: normal;
text-decoration: none;
}

#content .infobox li { margin-bottom: 2px; }

#content .nav a {
border: 1px solid #ccc;
font-weight: normal;
}
#content .nav a:hover {
border: 1px solid #999;
}
#content a:visited {
font-weight: normal;
}

#front-search {
float: right;
margin-top: -8px;
}

#latest td, #forumlist td, #favorites td { padding: 5px 10px; }

#forumlist tr td div.nest {
padding-left: 2.5ex;
}

#latest tr:hover, #forumlist tr:hover, #favorites tr:hover { background: #e4f3e1; }

#latest th, #forumlist th, #favorites th {
border-bottom: 1px solid #aaa;
background: #ddd;
font: 11px Verdana,Arial,Helvetica,sans-serif;
padding: 5px 10px;
text-transform: uppercase;
}

#latest, #forumlist, #favorites {
background: #f7f7f7;
margin-bottom: 2em;
width: 100%;
}

.bozo { background: #eeee88; }

.alt.bozo { background: #ffff99; }

.deleted { background: #ee8888; }

.alt.deleted { background: #ff9999; }

/* Profile Page
=================================== */

#profile-menu {
list-style: none;
position: absolute;
right: 0;
}

#profile-menu li {
font-size: 1.1em;
background-color: #eee;
padding: 4px 7px;
display: inline;
border-top: 3px double #9e9e9e;
position: relative;
top: -10px;
}

#profile-menu li.current {
background-color: #ddd;
border-top: 1px solid #9e9e9e;
}

#userinfo { margin-top: 10px; }

#userinfo dt { font-weight: bold; }

#userinfo dd { margin: 0 0 5px; }

#useractivity { margin: 15px 0 5px; }

.user-recent { margin: 0 0 10px; }

.user-recent ol { margin: 5px 0 0 28px; }

.user-recent ol li { margin: 0 0 3px; }

/* Profile Edit
=================================== */

fieldset {
border-top: 3px double #ccc;
border-bottom: 1px solid #ccc;
border-left: none;
border-right: none;
padding: 10px 0 10px 10px;
margin-bottom: 15px;
width: 720px;
}

legend {
font-weight: bold;
padding: 0 15px;
}

fieldset table {
text-align: left;
margin: 0 15px;
}

fieldset table td { padding: 2px 0; }

fieldset p {
font-size: 11px;
margin: 10px 16px;
}

Can someone please help me?