.full-bg-image{
    background-image: url('/static/assets/img/bknd.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    width: 100%;
    height: 500px;
    margin: 0;
    padding: 0;
    /* Adjust background properties */
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    background-attachment:fixed;
height: 680px;
}
.full-bg-image ::after {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
   
    left: 0;
    top: 0;
  
    z-index: -1;
}