codice:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Documento senza titolo</title>
<style type="text/css">
#footer {
 background-color: #DC1A1D;
 margin: 0px;
 padding: 0px;
 height: 80px;
 width: 100%;
 overflow: hidden;
 position: absolute;
 bottom: 0;
 left: 0;
}
</style>
</head>
<body>
<div id="footer">Inserire qui il contenuto per il "footer"</div>
</body>
</html>