header {
  background-color: white;
  padding: 20px;
  border-bottom: 4px solid #8DC63F; /* optioneel: groene lijn onder header */
  /*border: 2px dashed red;*/
  }

header img {
  height: 80px;
  vertical-align: middle;
}

body {
  font-family: Arial, sans-serif;
  background-color: #8DC63F;
  color: #8DC63F;
  margin: 0;
  padding: 0;
  text-align: center;
}

h1 {
  margin: 10px 0;
  color: #8DC63F;
}

h2 {
  margin: 10px 0;
  color: white;
}

#quiz-container {
  max-width: 600px;
  padding: 15px;
  font-size: 14px;
  margin: 40px auto;
  background-color: #8DC63F;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

audio {
  margin: 20px 0;
}

#options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

#options button {
  background-color: #8DC63F;
  color: white;
  border: none;
  padding: 12px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s;
}

#options button:hover {
  background-color: #006838;
}

button {
  background-color: #006838;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #004f2f;
}

#feedback {
  font-weight: bold;
  margin-top: 10px;
  color: white;
}