#game-board{
    padding-top: 40px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(4, 100px);
  grid-gap: 10px;
}

.card {
  position: relative;
  width: 100px;
  height: 100px;
  cursor: pointer;
  transform: perspective(600px);
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.card-inner {
  position: absolute;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.card.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  text-align: center;
}

.card-front {
  background-color: #007bff;
  color: white;
}

.card-back {
  background-color: white;
  color: #007bff;
  transform: rotateY(180deg);
}

.dimmed {
    opacity: 0.5;

  }

#statusMessage {
  margin-top: 20px;
  font-size: 1.2em;
}