body {
  background-color: #1c1c1c;
  color: #e4e4e4;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}
header, footer {
  background-color: #111;
  color: #fff;
  text-align: center;
  padding: 2rem 1rem;
}
nav {
  background-color: #f7931e;
  text-align: center;
  padding: 1rem;
}
nav a {
  color: #111;
  text-decoration: none;
  font-weight: bold;
  margin: 0 1rem;
}
a {
  color: #f7931e;
  text-decoration: none;
}
section {
  max-width: 1000px;
  margin: auto;
  padding: 2rem;
}
section h2 {
  color: #f7931e;
}
button, .button {
  background-color: #f7931e;
  color: #000;
  padding: 0.5rem 1rem;
  border: none;
  font-weight: bold;
  cursor: pointer;
  border-radius: 4px;
}