.progresso-ajax {
    position:fixed;
    top: 0;
    left: 50%;    /* move the left edge to the center � */
    margin-left:-100px;
    z-index:9999;
    width: 200px;
    background-color:#FAF296;
    color:black;
    text-align: center;
    border: 2px solid #FFE88B;
    padding:10px;
    display:none;
}

#imagem-progresso {
    display: none;
    position: absolute;
    z-index: 9999;
    filter: alpha(opacity=30);
    -moz-opacity: .30;
    opacity: .50;
    margin-top: 87px;
    background: white url('../img/ajax/carregando.gif') no-repeat 50% 300px;
    width: 100%;
    height: 90%;
}

#imagem-progresso-favorecidos {
    display: none;
    position: absolute;
    z-index: 9999;
    filter: alpha(opacity=30);
    -moz-opacity: .30;
    opacity: .50;
    margin-top: 87px;
    background: white url('../img/ajax/carregando.gif') no-repeat 50% 150px;
    width: 100%;
    height: 81%;
}