body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9f9f9;
  color: #333;
  padding: 20px;
  margin: 0;
}

header {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 2px solid #005fa3;
}

h1 {
  font-size: 2.5em;
  color: #005fa3;
  margin-bottom: 0;
}

h2, h3 {
  color: #005fa3;
  margin-top: 30px;
}

section {
  background-color: #fff;
  padding: 20px;
  margin-top: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

ul {
  padding-left: 20px;
}

.language {
  margin-bottom: 20px;
  max-width: 50%;
}

.streepjes {
  display: flex;
  gap: 5px;
  margin-top: 5px;
}

.streep {
  flex: 1;
  height: 10px;
  background-color: #ddd;
  border-radius: 3px;
}

.streep.actief {
  background-color: #005fa3;
}