.parallax {
    /* The image used */
    /*background-image: url("/Content/Images/programming.jpg");*/
    background:linear-gradient(rgba(2,0,36, 0.3), rgba(9,9,121,0.3)),url('Images/programming.jpg');
    /* Set a specific height */
    height: 500px;
    /* Create the parallax scrolling effect */
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    opacity: 1;
}