body {
  font-family: sans-serif;
  background: #fff;
  text-align: center;
  padding: 20px;
}

h1 {
  font-size: 48px;
  color: blue;
  margin-bottom: 20px;
}

#bingoContainer {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.bingoCard {
  display: grid;
  grid-template-columns: repeat(3, 80px);
  gap: 8px;
  padding: 10px;
  background-color: #fdfdfd;
  border: 2px solid #ccc;
  border-radius: 8px;
}

.bingo-cell {
  background-color: #f0f0f0;
  border: 2px solid #666;
  font-size: 30px;
  font-weight: bold;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.free {
  background-color: #ffe066;
  color: #444;
  font-style: italic;
}
  
button {
  padding: 10px 25px;
  font-size: 20px;
  cursor: pointer;
  background-color: #337ab7;
  color: white;
  border: none;
  border-radius: 6px;
}

button:hover {
  background-color: #286090;
}