CSS

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;
}

background with image and gradient

body {
  background: #eb01a5;
  background-image: url("IMAGE_URL"); /* fallback */
  background-image: url("IMAGE_URL"), linear-gradient(#eb01a5, #d13531); /* W3C */
}

gradient image css

#show_bg_2 {
 
background-image:
  /*two color gradient over an image*/
linear-gradient(to bottom, rgba(245, 246, 252, 0.52), 
rgba(117, 19, 93, 0.73)),url('images/background.jpg');
 
width: 80%;
height: 400px;
background-size: cover;
}

linear gradient css background image

background-image: url("IMAGE_URL"), linear-gradient(#eb01a5, #d13531);

gradient background image

body {
    background:linear-gradient(0deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(IMAGE_URL);
}