body {
  margin: 0;
  padding: 0;
  height: 100vh;
  font-family: "Montserrat";
  font-weight: bold;
}

section {
  height: 100%;
  position: relative;
}

ul {
  font-size: 10rem;
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: center;
  align-items: middle;
  place-items: center;
  height: 100vh;
  
}

span {
  position:absolute;
  width:10rem;
  height:10rem;
  background:#000;
  border-radius: 50%;
  bottom:0;
  left:0;
}