html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-gap: 20px;
  margin: 20px;
}

div {
  display: flex;
  width: 100%;
  height: 100%;
  cursor: default;
  background: #909;
  color: #fed;
  font-size: 32px;
  font-family: sans-serif;
  justify-content: center;
  align-items: center;
}