body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: #def;
  margin: 20px;
}

#game-board {
  display: grid;
  grid-template-columns: repeat(9, 40px);
  grid-template-rows: repeat(9, 40px);
  gap: 2px;
  justify-content: center;
  margin: 20px auto;
  background-color: #77bb77;
  border: 3px solid #444;
  width: fit-content;
}

.cell {
  width: 40px;
  height: 40px;
  background-color: #a2d5a2; /* Grass */
  border-radius: 5px;
  box-sizing: border-box;
}

.lane {
  background-color: #444; /* Road */
}

.player {
  background-color: #2e7d32; /* Green frog */
  border-radius: 8px;
}

.car {
  background-color: #d32f2f; /* Red car */
  border-radius: 3px;
}