body {
  font-family: 'Georgia', serif;
  background-color: #ffffff;
  color: #222;
  margin: 0;
  padding: 0;
}

header {
  background-color: #f2f2f2;
  padding: 2rem;
  text-align: center;
  border-bottom: 2px solid #ddd;
}

nav {
  text-align: center;
  margin: 1rem 0;
}

#buscar {
  padding: 0.5rem;
  width: 60%;
  font-size: 1rem;
  border: 1px solid #ccc;
}

main {
  padding: 2rem;
}

article {
  border-bottom: 1px solid #eee;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
}

footer {
  background-color: #f2f2f2;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
  border-top: 2px solid #ddd;
}