body {
      color: #212529;
    background-image: url("img/i62nZ0V.jpg");
      background-repeat: no-repeat;
      background-size: cover;
    background-attachment: fixed;
}
 #wrapper {
    background-image: url("img/i62nZ0V.jpg");
      background-repeat: no-repeat;
      background-size: cover;
    background-attachment: fixed;
    }

@media (prefers-color-scheme: dark) {
  body {
    background-image: linear-gradient(rgba(0,0,0,0.80), rgba(0,0,0,0.80)), url("img/i62nZ0V.jpg");
    background-attachment: scroll;
  }
  #wrapper {
    background-image: linear-gradient(rgba(0,0,0,0.80), rgba(0,0,0,0.80)), url("img/i62nZ0V.jpg");
    background-attachment: scroll;
  }
}