body {
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-image: url("stars.jpg");
  /* Ajusta el tamaño y posición de la imagen de fondo */
  background-size: auto;
  background-position: center;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 200px);
  grid-gap: 10px;
}

.grid-item {
  width: 200px;
  height: 200px;
  background-color: black;
  border: 2px solid white;
  color: white;
  font-size: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  border-radius: 50px;
}