.msj_info, .msj_exito, .msj_alerta, .msj_error {
    font-family:Arial, Helvetica, sans-serif;
    font-size:13px;
    border: 1px solid;
    margin: 10px 0px;
    padding:15px 10px 15px 50px;
    background-repeat: no-repeat;
    background-position: 10px center;
    width: 815px;
}
.msj_info {
    color: #00529B;
    background-color: #BDE5F8;
    background-image: url('info4.png');
}
.msj_exito {
    color: #4F8A10;
    background-color: #DFF2BF;
    background-image:url('exito4.png');
}
.msj_alerta {
    color: #9F6000;
    background-color: #FEEFB3;
    background-image: url('alerta4.png');
}
.msj_error {
    color: #D8000C;
    background-color: #FFBABA;
    background-image: url('error4.png');
}