button {
  background-color: blue;
  border-radius: 50%;
  height: 50px;
  width: 50px;
  position: absolute;
}

#counter {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 20px;
  font-weight: bold;
}

body {
  display: grid;
  position: relative;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(10, 1fr);
  height: 100vh;
}