body 
{
     font-family: Arial;
     font-size: 11px;
     color: #464541;
     margin: 0px 0px 0px 0px;
     background-image:url(images/BG-EMAX.jpg); 
     background-repeat:repeat-x;
}

.centered
{
    margin-top: -290px;
    top: 50%;
                
    position: absolute;
                
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%; 
                
    background-attachment: scroll; 
    background-image:url(imagens/tira.jpg); 
    background-repeat:repeat-x;
    border: 0px blue solid; 
}

.centered-pq
{
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%; 
                
    background-attachment: scroll; 
    background-image:url(imagens/tira.jpg); 
    background-repeat:repeat-x;
    border: 0px blue solid; 
}