body {
  text-align: center;
  background-color: #61f2f5;
  font-family: arial;
}

.button {
  background-color: rgba(255, 255, 255, 0.4);
  border: 2px solid black;
  border-radius: 8px;
  padding: 5px 8px;
  margin: 0 10px 20px 10px;
  display: inline-block;
}

.pressed {
  background-color: rgba(0, 0, 0, 0.4);
  color: white;
  border: 2px solid white;
}

.selectLetters {
  margin: 20px auto;

}
.select {
  width: 200px;
  height: 60px;
  border: 3px solid black;
  border-radius: 12px;
  background-color: blue;
  display: inline-block;
  margin: 0 auto;
}

#gameBoard {
  margin: 0 auto;
  display: grid;
  background-color: black;
  grid-template-rows: repeat(3, 1fr);
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 10px;
  width: 470px;
  height: 470px;
}

.tile {
  color: white;
  background-color: white;
  width: 150px;
  height: 150px;
  font-size: 8.5rem;
}

.x {
  background-color: red
}

.o {
  background-color: blue;
}

.win {
  color: black;
  background-color: yellow;
}