body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  text-align: center;
  padding: 20px;
}

#container {
  background: white;
  border-radius: 10px;
  padding: 20px;
  max-width: 700px;
  margin: auto;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#image {
  margin-bottom: 20px;
}

img.flag {
  width: 32px;
  height: 20px;
  cursor: pointer;
  margin: 0 10px;
}

#question {
  font-size: 20px;
  margin: 20px 0 10px;
}

.respuesta {
  display: block;
  background-color: #f1f1f1;
  border-radius: 5px;
  padding: 10px;
  margin: 6px auto;
  cursor: pointer;
  max-width: 400px;
  transition: background-color 0.3s ease;
}

.respuesta:hover {
  background-color: #d0ebff;
}

.respuesta.seleccionada {
  background-color: #74c0fc;
  color: white;
  font-weight: bold;
}

#timer, #score {
  margin-top: 20px;
  font-weight: bold;
}

button {
  padding: 10px 20px;
  margin: 10px 5px;
  font-size: 16px;
  cursor: pointer;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 5px;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #2980b9;
}

.button-group {
  margin-top: 20px;
}