.cursor{ 
  cursor:url(https://static.igem.wiki/teams/4213/wiki/wiki/img/team-project-logos/logo-cropped-s.png) 50 50, auto;
}
.hole {
  background-image: url(https://static.igem.wiki/teams/4213/wiki/wiki/img/effect/monttextblue.jpg);
  background-size: cover;
  --x: 20px;
  --y: 20px;
  width: 99vw;
  height: 100vh;
  position: relative;
}

.hole::after {
  
  content: '';
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-image: url(https://static.igem.wiki/teams/4213/wiki/wiki/img/effect/monttextgreen.jpg);
  background-size: cover;
  z-index: 1;
  -webkit-mask-repeat: no-repeat no-repeat;
  mask-repeat: no-repeat no-repeat;
  -webkit-mask-image: radial-gradient(120px at var(--x) var(--y), transparent 95%, black 100%);
  mask-image: radial-gradient(120px at var(--x) var(--y), transparent 95%, black 100%);
}