body {
  font-family: Arial, sans-serif;
  background: #f4f4f9;
  color: #333;
  line-height: 1.6;
  padding: 20px;
}
h1, h2 {
  color: #2c3e50;
}
.step {
  background: #fff;
  padding: 15px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.screenshot {
  max-width: 100%;
  margin-top: 10px;
  border-radius: 5px;
  background: #ccc;
  padding: 20px;
}