body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  display: flex;
}

.container {
  display: flex;
  width: 100%;
}

.sidebar {
  width: 250px;
  background-color: #333;
  color: white;
  height: 100vh;
  padding-top: 20px;
  position: fixed;
}

.sidebar ul {
  list-style: none;
  padding: 0;
}

.sidebar ul li {
  margin: 15px 0;
}

.sidebar ul li a {
  color: white;
  text-decoration: none;
  padding: 10px 15px;
  display: block;
}

.sidebar ul li a:hover {
  background-color: #575757;
}

.content {
  margin-left: 250px;
  padding: 20px;
  flex: 1;
}

h1, h2, h3 {
  color: #333;
}

pre {
  background-color: #f4f4f4;
  padding: 10px;
  border-radius: 5px;
  overflow-x: auto;
}

code {
  font-family: Consolas, monospace;
  font-size: 14px;
}