.grid_header_parallax{
    /* The image used */
    background-image: url(../img/nosotros/nosotros.jpg);
    
	height: 800px;

    /* Create the parallax scrolling effect */
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.parallax2_nosotros{
    /* The image used */
    background-image: url(../img/nosotros/nosotros2.jpg);
    
	height: 480px;

    /* Create the parallax scrolling effect */
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}