body {
  font-family: Arial, sans-serif;
  margin: 20px;
  background-color: #f4f4f4;
}

h1 {
  text-align: center;
  color: #333;
}

#layout-container {
  display: flex;
  justify-content: space-around;
  margin: 20px 0;
}

.column {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 10px;
  border: 2px solid #ccc;
  padding: 10px;
  background-color: white;
  border-radius: 10px;
  min-width: 150px;
}

.head-seat {
  background-color: #ffd700;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 5px;
  font-weight: bold;
  text-align: center;
  width: 100px;
}

.top-table {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin: 10px 0;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
  background-color: #fafafa;
}

.bottom-table {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin: 10px 0;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
  background-color: #fafafa;
}

.side {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 45%;
}

.bottom-table .connector {
  width: 100%;
  margin-bottom: 10px;
  text-align: center;
  order: -1;
}

.seat {
  background-color: #e7f3ff;
  border: 1px solid #007bff;
  padding: 8px;
  margin: 2px;
  border-radius: 4px;
  text-align: center;
  font-weight: bold;
  min-height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.connector {
  background-color: #ffeb3b;
  padding: 8px;
  margin: 10px 0;
  border-radius: 5px;
  font-weight: bold;
  text-align: center;
  width: 100px;
}

#start-quiz {
  display: block;
  margin: 20px auto;
  padding: 10px 20px;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
}

#start-quiz:hover {
  background-color: #218838;
}

#quiz-container {
  margin-top: 20px;
  text-align: center;
}