body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #f4f4f9;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  text-align: center;
  color: #2c3e50;
  margin-top: 20px;
}

h3 {
  color: #34495e;
  margin: 10px 20px;
}

p {
  margin: 10px 20px;
}

code {
  background-color: #e8e8e8;
  padding: 2px 4px;
  border-radius: 4px;
  font-family: "Courier New", Courier, monospace;
}

main {
  max-width: 800px;
  margin: 20px 20px;
  padding: 20px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

#commands {
  margin-top: 30px;
}

@media (max-width: 768px) {
  main {
    margin: 16px;
  }
}