background image with gradient css
.background_img {
background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.2)), url(../Image/bg.jpg);
/* background-image: url(../Image/bg.jpg); */
width: 100%;
height: auto;
background-repeat: no-repeat !important;
background-size: cover !important;
background-position: center !important;
}