body {
    font-family:Verdana,Arial,Helvetiva,sans-serif;
    font-size:11px;
    color:#000;
    text-align:center;
}

#contenedor {
    width:920px;
    background-color:#FFF;
    margin:20px auto;
    text-align:left; 
}

#encabezado {
    margin:0px;
    padding:15px 15px 25px 0; 
    width:250px; 
    float:left; 
    display:inline;
}

#contenido {
    width:900px; 
    clear:both; 
    padding:0;
} 

#footer {
    width:920px;
    float:right;
    text-align:left;
    padding:25px 0;
    font-size:98%;
    font-style:normal;
    color:#999;
}