body {
  font-family: Arial, sans-serif;
  background-color: #f5f9f6;
  color: #333;
  margin: 0;
  padding: 0;
}
header {
  background-color: #66bb6a;
  color: white;
  text-align: center;
  padding: 20px;
}
nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}
nav a:hover {
  text-decoration: underline;
}
section {
  padding: 20px;
}
footer {
  background-color: #388e3c;
  color: white;
  text-align: center;
  padding: 10px;
  position: relative;
  bottom: 0;
  width: 100%;
}
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}