.parallax {
    /* The image used */

    background:  linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../img/Circuit Board.svg');
    /* background-image: url("../img/Circuit Board.svg"); */

    /* Set a specific height */
    min-height: 500px;

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