body{
        background: url('../img/fondoi.jpg');
        background-attachment: fixed;
        background-size: cover;
        background-repeat: no-repeat;
}
#txt_usu,#txt_pass{
	opacity: 0.6;
	box-shadow: 0px 2px 5px #0004FF;
}

#id_tabla_ingreso{
	margin-bottom: 5px;
}

#id_ingresar image{
	opacity: 0;
	margin-left: 100px;
}