body {
  font-family: Arial, sans-serif;
  margin: 20px;
  padding: 0;
  background-color: #121212;
  color: #e0e0e0;
}

h1, h2, h3 {
  text-align: center;
}

ul, ol {
  max-width: 600px;
  margin: auto;
}

a {
  color: #1e90ff;
  word-break: break-word;
}

nav.lang-switch {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

footer {
  text-align: center;
  margin-top: 30px;
  font-size: 0.9em;
}