#active-game {
  text-align: center;
  margin: 2rem 0 5rem 0;
  display: none;
}

#game-over {
  width: 90%;
  max-width: 40rem;
  margin: 0 auto 3rem auto;
  padding: 1rem 2rem;
  background-color: hsl(258, 54%, 33%);
  color: hsl(0, 0%, 90%);
  box-shadow: 0 2px 8px hsla(0, 0%, 0%, 0.2);
  border-radius: 0.25rem;
  -webkit-border-radius: 0.25rem;
  -moz-border-radius: 0.25rem;
  -ms-border-radius: 0.25rem;
  -o-border-radius: 0.25rem;
  display: none;
}

#game-over h2 {
  font-size: 2rem;
  margin: 1rem 0;
}

#game-over p {
  font-size: 1rem;
  margin: 1.5rem 0;
}

#your-turn {
  display: block;
}

#active-game {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

#game-field-error {
  margin: 2rem auto;
  padding: 1rem;
  font-size: 1rem;
  color: hsl(0, 90%, 50%);
  background-color: hsl(0, 75%, 90%);
  box-shadow: 0 1px 4px hsla(0, 0%, 0%, 0.2);
  border: 2px solid hsl(0, 90%, 50%);
  border-radius: 0.25rem;
  -webkit-border-radius: 0.25rem;
  -moz-border-radius: 0.25rem;
  -ms-border-radius: 0.25rem;
  -o-border-radius: 0.25rem;
  display: none;
}

#active-player-name {
  font-weight: 700;
  color: hsl(258, 54%, 33%);
}

#game-board {
  list-style: none;
  margin: 1rem 0;
  display: grid;
  grid-template-columns: repeat(3, 6rem); /* 6rem 6rem 6rem */
  grid-template-rows: repeat(3, 6rem); /* 6rem 6rem 6rem */
  justify-content: center;
  gap: 0.5rem;
}

#game-board li {
  background-color: hsl(0, 0%, 95%);
  border: 2px solid hsl(258, 54%, 33%);
  border-radius: 0.15rem;
  -webkit-border-radius: 0.15rem;
  -moz-border-radius: 0.15rem;
  -ms-border-radius: 0.15rem;
  -o-border-radius: 0.15rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2.5rem;
  transition: all 200ms ease;
  -webkit-transition: all 200ms ease;
  -moz-transition: all 200ms ease;
  -ms-transition: all 200ms ease;
  -o-transition: all 200ms ease;
}

#game-board li:hover {
  background-color: hsl(258, 54%, 33%);
}

#game-board li i {
  color: hsl(0, 0%, 90%);
}

#game-board li.disabled {
  background-color: hsl(258, 54%, 33%);
  cursor: default;
}