body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f4fdf4;
  color: #1b3f04;
}

header {
  background-color: #1b3f04;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .logo {
  height: 50px;
}

h1 {
  font-size: 1.5rem;
}

main {
  padding: 2rem;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #f4fdf4;
  font-size: 0.8rem;
  color: #888;
}

a {
  color: #4CAF50;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}