body {
  font-family: sans-serif;
  background: #f6f4f1;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}
header {
  display: flex;
  align-items: center;
  gap: 15px;
  border-bottom: 2px solid #ccc;
  margin-bottom: 20px;
}
h1 { font-size: 2em; color: #4a6843; }
h2 { color: #3a3a3a; margin-top: 30px; }
a { color: #2a6848; text-decoration: none; }
footer { margin-top: 40px; font-size: 0.9em; color: #888; }
.btn {
  display: inline-block;
  padding: 10px 20px;
  background: #4a6843;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 10px;
}