body:before {
  content: "";
  position: fixed;
  inset: -50px;
  background: 
   repeating-radial-gradient(#000 0 0.0001%,#fff 0 0.0002%) 
    60% 60%/3000px 3000px,
   repeating-conic-gradient(#000 0 0.0001%,#fff 0 0.0002%) 
    40% 40%/4000px 3000px;
  background-blend-mode: difference;
  filter: blur(2px) contrast(100) brightness(40);
  mix-blend-mode: lighten;
}

body {
  background: #00DFFC;
  margin: 0;
  min-height: 100vh;
}

html {
  background: #fff;
}