html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans',
    'Helvetica Neue', sans-serif;
  font-size: 1rem;
  background-color: black;
}

.container {
  max-width: 38rem;
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
}

.wordclock {
  align-self: center;
  border: 1px solid #131313;
  border-radius: 0.5rem;
  padding: 1rem;
}

.letters {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  justify-self: center;
  align-self: center;
}

.letter {
  font-size: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #242424;
}

.active {
  color: white;
  font-weight: bold;
  font-size: 2rem
}

.letter::before {
  content: '';
  display: block;
  padding-top: 100%;
}