.progresso {
    display: none;
    background-color: #333;
    opacity: 0.8;
    position: fixed;
    left: 0px;
    top: 0px;
    z-index: 100;
    height: 100%;
    width: 100%;
    overflow: hidden;
    /*background-image : url('http://4.bp.blogspot.com/--w1oSBVhjFw/U_Z6AvFvGYI/AAAAAAAAAlk/hib9cUWer2Q/s1600/carregando.gif');*/
    /*background-image : url('http://www.estampale.com.br/simulador/img/carregando_grande.gif');*/
    /*background-image : url('http://www.estanciadepiraju.sp.gov.br/imagens/loader.gif');*/
    /*background-image: url('http://www.santamargaridadosul.rs.gov.br/_converter/load.gif');*/
    /* background-image: url('http://www.htsis.com.br/aguarde.gif');*/
    /* background-image: url('http://www.htsis.com.br/carregando5.gif');
    /* background-image: url('https://www.infoht.com.br/carregando5.gif');*/
    /* background-image: url('../carregando5.gif');*/
    /* background-image: url('https://www.htsis.com.br/aguarde1.gif');*/

    background-image: url('/Content/ProgressBar/aguarde.gif');
    background-position: center;
    background-repeat: no-repeat;
}