I'm using the bootstrap for your fluid grid, I've used row-fluid
out of container-fluid
to run out of bounds. In the desktop resolution the footer is normal with the width 100%, but when it decreases the resolution it gains the margin.
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<title>titulo</title>
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/bootstrap-responsive.css" rel="stylesheet">
<link href="css/bootstrap-responsive.min.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="css/blueberry.css">
<link href="img/favicon.png" rel="shortcut icon">
<link href="style.css" rel="stylesheet">
<!--[if lt IE 9]>
<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script><![endif]--></head><body><divclass="row-fluid">
<div id="blueberry" class="blueberry span12 centralizado">
<ul class="slides">
<li><img src="img/img1.jpg" /></li>
<li><img src="img/img3.jpg" /></li>
<li><img src="img/img2.jpg" /></li>
</ul>
</div>
</div>
<div class="row-fluid">
<div class="span12 andro-saude">
<h2><a href="">Area 1</a></h2>
<hr/>
<ul class="span10 centralizado">
<li class="well span3 info">
<img src="img/logo-cabeca.png">
<a><h3>Título</h3></a>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempora veniam beatae, aspernatur aut architecto, obcaecati, delectus in optio id repellendus molestiae, amet soluta natus fugiat nisi nihil at debitis mollitia.</p>
<h5>13 de janeiro de 1223</h5>
</li>
<li class="well span3 info"></li>
<li class="well span3 info"></li>
<li class="well span3 info"></li>
</ul>
</div>
</div>
<div class="row-fluid">
<div class="span12 rodape">
<div class="span4 desenvolv">
<p>Desenvolvimento</p>
<a href="#" target="blank"><img src="img/cpc.png"></a>
</div>
<div class="span4">
<h4>Nome</h4>
<p>Endereço</p>
<p>Contato</p>
</div>
<div class="span4">
<ul class="sociais">
<li><a href=""><img src="img/social (1).png"></a></li>
<li><a href=""><img src="img/social (2).png"></a></li>
<li><a href=""><img src="img/social (3).png"></a></li>
<li><a href=""><img src="img/social (4).png"></a></li>
<li><a href=""><img src="img/social (5).png"></a></li>
<li><a href=""><img src="img/social (6).png"></a></li>
</ul>
</div>
</div>
</div>
</body>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"type="text/javascript"></script>
<script src="js/bootstrap.min.js"></script>
<script type="text/javascript" src="js/jquery.blueberry.js"></script>
<script type="text/javascript">
$(window).load(function() {
$('.blueberry').blueberry({interval: 4000, duration: 4000});
});
</script>
</html>