body {
  margin: 0;
  padding: 0;
  background-color: #5a3e2b;
  background: url('../img/handbook_bg.png');
  background-position: center;
  background-repeat: repeat;
  font-family: 'Georgia', serif;
  color: #50290c;
}

#container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  text-align: center;
  margin-bottom: 1rem;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

header h2 {
  font-size: 1.5rem;
  font-style: italic;
  margin-bottom: 1rem;
}

#navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 0.5rem;
}

#navigation button,
#navigation select {
  background: #3e2c20;
  border: 1px solid #c8b68d;
  color: #fdf6e3;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}

#navigation select {
  font-family: inherit;
}

#page-content {
  background: rgba(255, 255, 255, 0.25);
  padding: 1rem;
  border-radius: 8px;
  min-height: 400px;
}

.separator {
  margin: 2rem 0;
  height: 64px;
  background: url('../img/sep.png') center/contain no-repeat;
  background-size: contain;
  border: none;
}