hacer que el footer ocupe todo el ancho

Estoy haciendo esta web y cuando pongo para visualizarse en explorer-en otros no lo he mirado-, no me va en todo el ancho, donde falla el codigo? Grácias

style.css
body{
background-color: #f4f4f4;
font-family: Helvetica, Futura, Arial, Verdana, sans-serif;
}
a:link{
text-decoration: none;
}
.p_bg_color{
background-color: #00bbff;
}
.p_text_color{
color: #00bbff;
}

h1, h2, h3 ,h4, h5, h6{
font-family: Helvetica, Futura, Arial, Verdana, sans-serif;
}
/*##########################################################*/

.black-wrapper{
background-color: black;
width: 100%;
}
.nivo-controlNav{
display: none;
}
header,nav{
padding-top: 40px;
padding-bottom: 30px;

}
header h1{
color: white;
padding-right: 10px;
}

/*##########################################################*/

nav{

}
nav ul{
list-style-type: none;
}
nav ul li{
display: inline;
margin-left: 20px;
}
nav ul li a{
color: #ededed ;
font-family: Helvetica, Futura, Arial, Verdana, sans-serif;
}
nav ul li.active a{
color: #00bbff;
}
nav ul li a:hover{color: #00bbff;text-decoration: non;}

/*##########################################################*/
#slider_wrapper {
height: 300px;
width: 100%;
background-color: black;
margin-bottom: 150px;

}
#slider{
border:15px solid #ececec;
outline: 1px solid #e3e3e3;
}
#contingut {width: 600px;
float: left;
}
#other {width: 250px;
border: 1px solid #e3e3e3;
background-color: #ececec;
float: right;
text-align: left;
margin-bottom: 20px;
margin-left: auto;
margin-right:auto;
padding: 15px;
box-shadow:inset 0 0 1px #e3e3e3}

/*##########################################################*/

.icons_wrapper{
width: 1000px;
margin-bottom:20px;
margin-left: auto;
margin-right: auto;
align: center;
text-align: left;

}
.icons_wrapper h1 {
font-size: 18px;
font-weight: bold;
color: #444444;
margin: 20px 0;
}


/*##########################################################*/
/*the FOUR paragraphs css styles*/
#four_parags{
margin-bottom: 70px;
}
.one_parag {
text-align: center;
}

.one_parag h2 {
font-size: 18px;
font-weight: bold;
color: #4c4c4c;
margin: 20px 0;
}

.one_parag p{
font-size: 14px;
color: #b5b5b5;
line-height:21px;
}
.one_parag img{height:60px;}
.one_parag:hover{
background-color: #ededed;
box-shadow:inset 0 0 1px #00bbff;
}

/*#########################################################*/
.one_image a {
font-size: 14px;
padding:10PX 0;
color: #00bbff;
}

#four_images h2{
font-size: 18px;
font-weight: bold;
color: #4c4c4c;
background: url(../images/b_line.jpg) repeat-x left center;
margin-bottom: 40px;
}
#four_images h2 span{
background-color: #f4f4f4;
padding-right:20px;
}
.one_image p {
font-size: 14px;
color: #b5b5b5;
line-height:21px;
margin: 30px 0;
}

p {font-size: 14px;
color: #4c4c4c;
line-height:21px;
margin: 30px 0;}
/*##########################################################*/


/*############################################################*/
footer{
margin-top: 70px;
background-color: #FFFFFF;
padding: 30px 0px;
border-top: 1px solid #ececec;
color: #4c4c4c;
margin-left: auto;
margin-right: auto;
max-width: none;
}
#footer_left{
width: 150px;
float: left;
padding-left: 200px;
}
#footer_right{
width: 350px;
float: right;}

footer a{
color: #444444;
font-size: 14px;
text-decoration: none;
}
footer a:hover {
color: #00bbff;
text-decoration: none}

#footer_left a{font-size: 10px;
color: #444444;
text-decoration: none;
}
#footer_left a:hover{font-size: 10px;
color: #00bbff;
text-decoration: none}


/*##########################################################*/

screen.css
/* reset.css */
html {margin:0;padding:0;border:0;}
body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, code, del, dfn, em, img, q, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, dialog, figure, footer, header, hgroup, nav, section {margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline;}
article, aside, details, figcaption, figure, dialog, footer, header, hgroup, menu, nav, section {display:block;}
body {line-height:1.5;}
table {border-collapse:separate;border-spacing:0;}
caption, th, td {text-align:left;font-weight:normal;float:none !important;}
table, th, td {vertical-align:middle;}
blockquote:before, blockquote:after, q:before, q:after {content:'';}
blockquote, q {quotes:"" "";}
a img {border:none;}
:focus {outline:0;}

/* typography.css */
html {font-size:100.01%;}
h1, h2, h3, h4, h5, h6 {font-weight:normal;}
h1 {font-size:2em;line-height:1;}
h2 {font-size:1.6em;}
h3 {font-size:1.4em;line-height:1;}
h4 {font-size:1.2em;line-height:1.25;}
h5 {font-size:1em;font-weight:bold;}
h6 {font-size:1em;font-weight:bold;}
h1 img, h2 img, h3 img, h4 img, h5 img, h6 img {margin:0;}
p {margin:0 0 1.5em;}
.left {float:left !important;}
p .left {margin:1.5em 1.5em 1.5em 0;padding:0;}
.right {float:right !important;}
p .right {margin:1.5em 0 1.5em 1.5em;padding:0;}
a:focus, a:hover {color:#09f;}
a {color:#06c;text-decoration:underline;}
blockquote {margin:1.5em;color:#666;font-style:italic;}
strong, dfn {font-weight:bold;}
em, dfn {font-style:italic;}
sup, sub {line-height:0;}
abbr, acronym {border-bottom:1px dotted #666;}
address {margin:0 0 1.5em;font-style:italic;}
del {color:#666;}
pre {margin:1.5em 0;white-space:pre;}
pre, code, tt {font:1em 'andale mono', 'lucida console', monospace;line-height:1.5;}
li ul, li ol {margin:0;}
ul, ol {margin:0 1.5em 1.5em 0;padding-left:1.5em;}
ul {list-style-type:disc;}
ol {list-style-type:decimal;}
dl {margin:0 0 1.5em 0;}
dl dt {font-weight:bold;}
dd {margin-left:1.5em;}
table {margin-bottom:1.4em;width:100%;}
th {font-weight:bold;}
thead th {background:#c3d9ff;}
th, td, caption {padding:4px 10px 4px 5px;}
tfoot {font-style:italic;}
caption {background:#eee;}
.small {font-size:.8em;margin-bottom:1.875em;line-height:1.875em;}
.large {font-size:1.2em;line-height:2.5em;margin-bottom:1.25em;}
.hide {display:none;}
.quiet {color:#666;}
.loud {color:#000;}
.highlight {background:#ff0;}
.added {background:#060;color:#fff;}
.removed {background:#900;color:#fff;}
.first {margin-left:0;padding-left:0;}
.last {margin-right:0;padding-right:0;}
.top {margin-top:0;padding-top:0;}
.bottom {margin-bottom:0;padding-bottom:0;}

/* grid.css */
.container {width:950px;margin:0 auto;}
.column, .span-1, .span-2, .span-3, .span-4, .span-5, .span-6, .span-7, .span-8, .span-9, .span-10, .span-11, .span-12, .span-13, .span-14, .span-15, .span-16, .span-17, .span-18, .span-19, .span-20, .span-21, .span-22, .span-23, .span-24 {float:left;margin-right:10px;}
.last {margin-right:0;}
.span-1 {width:30px;}
.span-2 {width:70px;}
.span-3 {width:110px;}
.span-4 {width:150px;}
.span-5 {width:190px;}
.span-6 {width:230px;}
.span-7 {width:270px;}
.span-8 {width:310px;}
.span-9 {width:350px;}
.span-10 {width:390px;}
.span-11 {width:430px;}
.span-12 {width:470px;}
.span-13 {width:510px;}
.span-14 {width:550px;}
.span-15 {width:590px;}
.span-16 {width:630px;}
.span-17 {width:670px;}
.span-18 {width:710px;}
.span-19 {width:750px;}
.span-20 {width:790px;}
.span-21 {width:830px;}
.span-22 {width:870px;}
.span-23 {width:910px;}
.span-24 {width:950px;margin-right:0;}
input.span-1, textarea.span-1, input.span-2, textarea.span-2, input.span-3, textarea.span-3, input.span-4, textarea.span-4, input.span-5, textarea.span-5, input.span-6, textarea.span-6, input.span-7, textarea.span-7, input.span-8, textarea.span-8, input.span-9, textarea.span-9, input.span-10, textarea.span-10, input.span-11, textarea.span-11, input.span-12, textarea.span-12, input.span-13, textarea.span-13, input.span-14, textarea.span-14, input.span-15, textarea.span-15, input.span-16, textarea.span-16, input.span-17, textarea.span-17, input.span-18, textarea.span-18, input.span-19, textarea.span-19, input.span-20, textarea.span-20, input.span-21, textarea.span-21, input.span-22, textarea.span-22, input.span-23, textarea.span-23, input.span-24, textarea.span-24 {border-left-width:1px;border-right-width:1px;padding-left:5px;padding-right:5px;}
input.span-1, textarea.span-1 {width:18px;}
input.span-2, textarea.span-2 {width:58px;}
input.span-3, textarea.span-3 {width:98px;}
input.span-4, textarea.span-4 {width:138px;}
input.span-5, textarea.span-5 {width:178px;}
input.span-6, textarea.span-6 {width:218px;}
input.span-7, textarea.span-7 {width:258px;}
input.span-8, textarea.span-8 {width:298px;}
input.span-9, textarea.span-9 {width:338px;}
input.span-10, textarea.span-10 {width:378px;}
input.span-11, textarea.span-11 {width:418px;}
input.span-12, textarea.span-12 {width:458px;}
input.span-13, textarea.span-13 {width:498px;}
input.span-14, textarea.span-14 {width:538px;}
input.span-15, textarea.span-15 {width:578px;}
input.span-16, textarea.span-16 {width:618px;}
input.span-17, textarea.span-17 {width:658px;}
input.span-18, textarea.span-18 {width:698px;}
input.span-19, textarea.span-19 {width:738px;}
input.span-20, textarea.span-20 {width:778px;}
input.span-21, textarea.span-21 {width:818px;}
input.span-22, textarea.span-22 {width:858px;}
input.span-23, textarea.span-23 {width:898px;}
input.span-24, textarea.span-24 {width:938px;}
.append-1 {padding-right:40px;}
.append-2 {padding-right:80px;}
.append-3 {padding-right:120px;}
.append-4 {padding-right:160px;}
.append-5 {padding-right:200px;}
.append-6 {padding-right:240px;}
.append-7 {padding-right:280px;}
.append-8 {padding-right:320px;}
.append-9 {padding-right:360px;}
.append-10 {padding-right:400px;}
.append-11 {padding-right:440px;}
.append-12 {padding-right:480px;}
.append-13 {padding-right:520px;}
.append-14 {padding-right:560px;}
.append-15 {padding-right:600px;}
.append-16 {padding-right:640px;}
.append-17 {padding-right:680px;}
.append-18 {padding-right:720px;}
.append-19 {padding-right:760px;}
.append-20 {padding-right:800px;}
.append-21 {padding-right:840px;}
.append-22 {padding-right:880px;}
.append-23 {padding-right:920px;}
.prepend-1 {padding-left:40px;}
.prepend-2 {padding-left:80px;}
.prepend-3 {padding-left:120px;}
.prepend-4 {padding-left:160px;}
.prepend-5 {padding-left:200px;}
.prepend-6 {padding-left:240px;}
.prepend-7 {padding-left:280px;}
.prepend-8 {padding-left:320px;}
.prepend-9 {padding-left:360px;}
.prepend-10 {padding-left:400px;}
.prepend-11 {padding-left:440px;}
.prepend-12 {padding-left:480px;}
.prepend-13 {padding-left:520px;}
.prepend-14 {padding-left:560px;}
.prepend-15 {padding-left:600px;}
.prepend-16 {padding-left:640px;}
.prepend-17 {padding-left:680px;}
.prepend-18 {padding-left:720px;}
.prepend-19 {padding-left:760px;}
.prepend-20 {padding-left:800px;}
.prepend-21 {padding-left:840px;}
.prepend-22 {padding-left:880px;}
.prepend-23 {padding-left:920px;}
.border {padding-right:4px;margin-right:5px;border-right:1px solid #ddd;}
.colborder {padding-right:24px;margin-right:25px;border-right:1px solid #ddd;}
.pull-1 {margin-left:-40px;}
.pull-2 {margin-left:-80px;}
.pull-3 {margin-left:-120px;}
.pull-4 {margin-left:-160px;}
.pull-5 {margin-left:-200px;}
.pull-6 {margin-left:-240px;}
.pull-7 {margin-left:-280px;}
.pull-8 {margin-left:-320px;}
.pull-9 {margin-left:-360px;}
.pull-10 {margin-left:-400px;}
.pull-11 {margin-left:-440px;}
.pull-12 {margin-left:-480px;}
.pull-13 {margin-left:-520px;}
.pull-14 {margin-left:-560px;}
.pull-15 {margin-left:-600px;}
.pull-16 {margin-left:-640px;}
.pull-17 {margin-left:-680px;}
.pull-18 {margin-left:-720px;}
.pull-19 {margin-left:-760px;}
.pull-20 {margin-left:-800px;}
.pull-21 {margin-left:-840px;}
.pull-22 {margin-left:-880px;}
.pull-23 {margin-left:-920px;}
.pull-24 {margin-left:-960px;}
.pull-1, .pull-2, .pull-3, .pull-4, .pull-5, .pull-6, .pull-7, .pull-8, .pull-9, .pull-10, .pull-11, .pull-12, .pull-13, .pull-14, .pull-15, .pull-16, .pull-17, .pull-18, .pull-19, .pull-20, .pull-21, .pull-22, .pull-23, .pull-24 {float:left;position:relative;}
.push-1 {margin:0 -40px 1.5em 40px;}
.push-2 {margin:0 -80px 1.5em 80px;}
.push-3 {margin:0 -120px 1.5em 120px;}
.push-4 {margin:0 -160px 1.5em 160px;}
.push-5 {margin:0 -200px 1.5em 200px;}
.push-6 {margin:0 -240px 1.5em 240px;}
.push-7 {margin:0 -280px 1.5em 280px;}
.push-8 {margin:0 -320px 1.5em 320px;}
.push-9 {margin:0 -360px 1.5em 360px;}
.push-10 {margin:0 -400px 1.5em 400px;}
.push-11 {margin:0 -440px 1.5em 440px;}
.push-12 {margin:0 -480px 1.5em 480px;}
.push-13 {margin:0 -520px 1.5em 520px;}
.push-14 {margin:0 -560px 1.5em 560px;}
.push-15 {margin:0 -600px 1.5em 600px;}
.push-16 {margin:0 -640px 1.5em 640px;}
.push-17 {margin:0 -680px 1.5em 680px;}
.push-18 {margin:0 -720px 1.5em 720px;}
.push-19 {margin:0 -760px 1.5em 760px;}
.push-20 {margin:0 -800px 1.5em 800px;}
.push-21 {margin:0 -840px 1.5em 840px;}
.push-22 {margin:0 -880px 1.5em 880px;}
.push-23 {margin:0 -920px 1.5em 920px;}
.push-24 {margin:0 -960px 1.5em 960px;}
.push-1, .push-2, .push-3, .push-4, .push-5, .push-6, .push-7, .push-8, .push-9, .push-10, .push-11, .push-12, .push-13, .push-14, .push-15, .push-16, .push-17, .push-18, .push-19, .push-20, .push-21, .push-22, .push-23, .push-24 {float:left;position:relative;}
div.prepend-top, .prepend-top {margin-top:1.5em;}
div.append-bottom, .append-bottom {margin-bottom:1.5em;}
.box {padding:1.5em;margin-bottom:1.5em;background:#e5eCf9;}
hr {background:#ddd;color:#ddd;clear:both;float:none;width:100%;height:1px;margin:0 0 17px;border:none;}
hr.space {background:#fff;color:#fff;visibility:hidden;}
.clearfix:after, .container:after {content:"\0020";display:block;height:0;clear:both;visibility:hidden;overflow:hidden;}
.clearfix, .container {display:block;}
.clear {clear:both;}

HTML:
<html>
<head>
<meta content="text/html; charset=iso-8859-1" http-equiv=Content-Type>
<meta http-equiv="Content-Language" content="ca"/>
<meta http-equiv="cache-control" content="no-cache" />
<title>AC Serveis - Assessoria comptable, fiscal i laboral</title>
<meta name="description" content="A free template from http://ws-templates.com">
<meta name="keywords" content="ACserveis, serveis, assessoria, comptable, fiscal, comptabilitat, laboral, low cost, pimes, centelles, barcelona, granollers, vic, empresa, negoci, finances, firma, professionals, empresaris, treball, equip."/>
<link href="css/screen.css" media="screen" rel="stylesheet"/>
<link rel="stylesheet" href="nivo-slider/default/nivo-slider.css" type="text/css" media="screen" />
<link rel="stylesheet" href="nivo-slider/default/default.css" type="text/css" media="screen" />
<link href="css/style.css" media="screen" rel="stylesheet"/>
<meta name="publisher" content="AC Serveis" />
<meta name="copyright" content="Copyright 2014 AC Serveis" />
<meta name="author" content="AC Serveis" />
<link rel="shortcut icon" href="/img/favicon.ico" />
<meta name="robots" content="index, follow">
<meta name="revisit-after" content="2 days" />
</head>
<body>
<div class="black-wrapper"><div class="container">
<header class="span-12">
<div id="cabecera">

<img src="images/logo_03.png" alt="" />

</header>
<!--################################################-->
<nav class="span-12 last">
<ul class="right">
<li><a href="index.html">Home</a></li>
<li class="active"><a class="p_text_color" href="portfolio.html">Empresa</a></li>
<li><a href="blog.html">Serveis</a></li>
<li><a href="contact.html">Contacte</a></li>
</ul>
</nav></div></div>
<span class="clearfix"></span>
<!--################################################-->
<section id="slider_wrapper" class="slider-wrapper theme-default container">
<div id="slider" class="nivoSlider">
<img src="images/img1.jpg" data-thumb="../images/img1.jpg" alt="" />
<img src="images/img2.jpg" data-thumb="../images/img2.jpg" alt="" />
<img src="images/img1.jpg" data-thumb="../images/img1.jpg" alt="" />
</div>

</section>
<!--################################################-->
<div class="icons_wrapper">
<div class="container">
<div id="contingut">
<h1>AC SERVEIS</h1>
<p><b>AC Serveis</b> és una companyia de professionals de l'economia que oferim un servei integral de consulturia, assessorament i gestió a empreses, pimes i autònoms, de tots els sectors.<p>
<p>La filosofia que AC Serveis ha dut a terme i ha sigut la clau de la nostra consolidació, és el saber seleccionar, per cada departament, professionals altament qualificats i col·laboradors externs, on el client rep un tracte personalitzat, eficient i de qualitat, aconseguint els objectius marcats.</p>
<p>Les nostres àrees d'actuació es centren en les relacions fiscals, comptables, laborals i mercantils que es produeixen en les empreses, realitzant tots aquells serveis que societats i professionals poden demanar, des de l'estudi previ a la creació de l'empresa fins al seguiment del dia a dia, confeccionant les nòmines, elaborant i presentant impostos,...</p>
<p>El nostre principal objectiu és obtenir una solució immediata i excel·lent a les necessitats del client, motiu per al qual comptem amb un equip de professionals serio, dinàmic i responsable.</p>
</div>
<div id="other">
<h1>AC Serveis</h1>
<p>Carrer Girona, 53</br>
08009 Barcelona</p>
<p><b>Tel.:</b> 93 881 11 08</p>
<p><a href="mailto:[correo eliminado]">[correo eliminado]</a></p>
</div>
</div>
<!--################################################-->
<span class="clearfix"></span>
<!--################################################-->

<!--################################################-->
<footer>
<div id="footer_left">
<span class="container">
Copyright 2014 <b>AC Serveis</b> - <a href="../CAT/avis-legal.html">Avís legal</a> - <a href="../CAT/política-cookies.html">Política de cookies</a> - <a href="../CAT/mapa-links.html">Sitemap</a>
</span>
</div>

<div id="footer_right">
<span class="container"><a href="../CAT/index.html">HOME</a> | <a href="../CAT/empresa.html">EMPRESA</a> | <a href="../CAT/serveis.html">SERVEIS</a> | <a href="../CAT/contacta.html">CONTACTA</a></span>
</div>

</footer>
<script type="text/javascript" src="scripts/jquery-1.7.1.min.js"></script>
<script type="text/javascript" src="scripts/jquery.nivo.slider.js"></script>
<script type="text/javascript">
$(window).load(function() {
$('#slider').nivoSlider();
});
</script>
</body>
</html>
Problema solucionado gracias! Era simplement que la capa "Other" no tenía el </div>.