.banner_bg{
        background-image: url('images/photo.jpeg');
       background-position: center !important;
       background-repeat: no-repeat !important;
       background-size: cover !important;
       height: 85vh;
       width: 100%;
       position: relative;
       z-index: 1;
       &::after{
        position: absolute;
        content: '';
        top: 0;
        left: 0;
        height: 100%;
        width: 100%;
        background-color: rgba(0,0,0,0.3);
        z-index: -1;
       }
 }