body {
  margin: 0;
  font-family: 'Quicksand', sans-serif;
  background-color: #f9f3ea;
  color: #333;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  flex-direction: column;
}

.container {
  max-width: 600px;
  padding: 20px;
  text-align: center;
}

.tablero {
  display: grid;
  grid-template-columns: repeat(4, 80px);
  gap: 15px;
  justify-content: center;
  margin-top: 20px;
}

.carta {
  width: 80px;
  height: 80px;
  background-color: #e2bad5;
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.carta.volteada {
  transform: rotateY(180deg);
}

.cara {
  width: 100%;
  height: 100%;
  position: absolute;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  border-radius: 10px;
}

.frente {
  background: #e2bad5;
}

.reverso {
  background: #fff;
  transform: rotateY(180deg);
}

button {
  background-color: #d280a2;
  color: white;
  border: none;
  padding: 10px 20px;
  margin-top: 10px;
  border-radius: 6px;
  cursor: pointer;
}

.mensaje {
  margin-top: 20px;
  background: #fff8f8;
  padding: 20px;
  border-radius: 10px;
}