Problemas de compativilidad con IE y Firefox

[The04]

He quitado todo el paddig del CSS y sigue viendose = y elementos flotantes pues no tengo nada

CSS (style.css)

Código:

/*
Theme Name: Quemiras
Theme URI: http://quemiras.es
Description: Este theme esta basado Unsleepable_v.1.6.
			 Theme based on Unsleepable_v.1.6.
Version: 1.0 Beta
Author: Victor Falcon Ruiz

Important:  This is a bete theme, if you see any bug please say me [email protected]
			Este theme es una beta si encuentra algun fallo por favor comuniquemelo [email protected]
*/

/**************************************************************************
***   BODY                                                           ***
**************************************************************************/

body {
	background-image:url(images/header_bg.gif);
	background-repeat:repeat-x;
	background-color:#f3f3eb;
	background-position:top;
	margin:0px;
	font-family:Arial, Helvetica, sans-serif;
	font-size:12px;
}

#container {
	text-align:center;
	width:836px;
}

a:link {
	color: #1894CE;
	text-decoration: none;
}

a:visited {
	color: #1894CE;
	text-decoration: none;
}

a:hover {
	color: #147AAB;
	text-decoration: underline;
}

a:active {
	text-decoration: none;
	color: #1894CE;
}
/**************************************************************************
***   HEADER                                                            ***
**************************************************************************/

#header{
	width:836px;
	height:99px;
	background-image:url(images/logo.gif);
	background-position:top;
	text-align:center;
}
#header_menu {
	width:836px;
	height:38px;
	background-image:url(images/header_menu.gif);
	background-position:top;
	text-align: left;
}
#header_menu .hmenu{
	padding-top:8px;
	padding-left: 25px;
	color:#FFFFFF;
	font-family:Arial, Helvetica, sans-serif;
	font-size:14px;
}
#header_menu a:link {
	color: #FFFFFF;
	text-decoration: none;
}
#header_menu a:visited {
	color: #FFFFFF;
	text-decoration: none;
}
#header_menu a:hover {
	color: #FFFFFF;
	text-decoration: underline;
}
#header_menu a:active {
	text-decoration: overline;
	color: #FFFFFF;
}

/**************************************************************************
***   CONTENIDO                                                         ***
**************************************************************************/

#contenido {
	text-align:center;
	width:836px;
	background-image:url(images/bg.jpg);
	background-repeat:repeat-y;
}

#post {
	width:510px;
	margin-left:20px;
	text-align:left;
}

.post_titulo {
	text-align:left;
	font-family:Arial, Helvetica, sans-serif;
	font-size:24px;
	color:#1995ce;
}

.post_info {
	text-align:left;
	font-family:Arial, Helvetica, sans-serif;
	font-size:14px;
	color:#000000;
}

#sidebar {
	margin-right:10px;
	text-align:left;
}

#sidebar .top {
	height:67px;
	width:280px;
	background-image:url(images/menu_top.gif);
	background-repeat:no-repeat;
	background-position:top;
}

#sidebar .midle{
	background-image:url(images/menu_middle.gif);
	background-repeat:repeat-x;
	background-position:top;
	background-color:#F4F4EC;
	width:280px;
	margin-right:5px;
	text-align: left;
}

.menu_title {
	list-style-image:url(images/icons/icon_category.gif);
	font-size:16px;
}

li {	
	list-style-position:outside;
	font-size:14px;
	text-align:left;
	list-style:none;
	margin-left:0px;
}

#coment {
	background-color:#F4F4EC;
	border:2px #666666 solid;
	margin-top:10px;
}





/**************************************************************************
***   FOOTER                                                            ***
**************************************************************************/

#footer {
	background-image:url(images/footer_10.gif);
	width:836px;
	height:40px;
	text-align:center;
}