html {
  margin:0,
  max-height: 100vh;
  max-width: 100vw;
  overflow:hidden;
}

body {
  margin: 0;
  height: 100vh;
  width: 100vw;
}


#preloaderIMG {
  width:100vw;
  height:100vh;
  display: block;
}
#loading-spinner {
  display: block;
  margin: 0 auto;
  position:relative;
  top:50%;
  transform:translateY(-50%);
}