body {
  font-family: monospace;
  margin: 0;
  padding: 0;
  background: #fefefe;
  color: #111;
  line-height: 1.6;
}

header {
  background: #222;
  color: white;
  padding: 1em;
  text-align: center;
}

header a {
  color: white;
  text-decoration: none;
}

nav {
  margin-top: 1em;
}

nav button {
  background: #444;
  border: none;
  padding: 0.5em 1em;
  margin: 0 0.2em;
  color: white;
  cursor: pointer;
  font-family: monospace;
}

nav button:hover {
  background: #666;
}

main {
  padding: 1.5em;
  max-width: 800px;
  margin: auto;
}

.tab {
  display: none;
}

h1 {
  margin-bottom: 0.3em;
  font-size: 4em !important; /* Ensures this size is applied */
}

h2 {
  margin-bottom: 0.3em;
}

h3 {
  margin-bottom: 0.3em;
  font-size: 2em !important; /* Ensures this size is applied */
}

ul {
  padding-left: 1.2em;
}