#iamge {
  margin: 0;
  padding: 0;
  height: 100vh;
  width: 100vw;
  
  background-image: url('mainPage.png');
  background-size: contain;    
  background-position: center bottom;
  background-repeat: no-repeat;
  background-attachment: fixed;

  image-rendering: pixelated; 
  image-rendering: crisp-edges;

  z-index: -10;
}


body {
  margin: 0;
  padding: 0;
}