body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #4facfe, #00f2fe);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  background: white;
  padding: 25px;
  border-radius: 12px;
  width: 420px;
  text-align: center;
  max-height: 90vh;
  overflow-y: auto;
}

.hidden {
  display: none;
}

button {
  margin: 6px;
  padding: 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#antwoorden button {
  display: block;
  width: 100%;
  background: #eee;
  margin-bottom: 5px;
}

#antwoorden button:hover {
  background: #ddd;
}

.result {
  margin-top: 10px;
  padding: 10px;
  background: #eee;
  border-radius: 6px;
  text-align: left;
}

#resultaten {
  max-height: 300px;
  overflow-y: auto;
  text-align: left;
}

.back-btn {
  display: inline-block;
  margin-bottom: 15px;
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

.back-btn:hover {
  text-decoration: underline;
}