body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: #f2f2f2;
}

h1 {
  color: #333;
}

#board {
  display: grid;
  grid-template-columns: repeat(7, 60px);
  grid-template-rows: repeat(6, 60px);
  gap: 5px;
  justify-content: center;
  margin: 20px auto;
}

.cell {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #ddd;
  border: 2px solid #555;
  cursor: pointer;
}

.red {
  background-color: red;
}

.yellow {
  background-color: yellow;
}

#status {
  font-size: 1.2em;
  margin: 10px;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}