.margen-superior{
    margin-top: 120px;
}
.fuente-chica{
    font-size: .8rem;
}
.fuente-gris{
    color: darkgrey;
}
.fuente-9{
    font-size: .9rem;
}
.combobox-text{
    padding: 0.2rem 0.75rem;
}

@media screen and (max-width: 600px) 
{
    #ArticuloAnterior, #ex1, #ex2{
        display: none;
    }
    #ArticuloSiguiente{
        display: none;
    }
    #btnCerrarSesion{
        float: left;
    }
    #btnBuscar{
        font-size: 2rem;
    }
    .grp2{
        margin-top: 0.5rem;
    }
}