.body{
    background-image: url("ressources/png/daikoglobal5.png"), linear-gradient(to bottom, rgb(232, 134, 30) 40%, rgb(25, 25, 25) 100%);
    background-attachment: fixed;
} 

.scroll_diag { /*Diagonal background scrolling*/
    animation: diag 60s linear infinite;
}

body.scroll_diag {}

  @keyframes diag {
    0% {
      background-position-x: 0%;
      background-position-y: 0%;
    }
    100% {
      background-position-x: 100%;
      background-position-y: 100%;
    }
  }