body {
  font-family: Arial, sans-serif;
  background-color: #f8f8f8;
  margin: 0;
  padding: 0;
}

header {
  background-color: #008080;
  color: white;
  padding: 20px 0;
  text-align: center;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  background-color: #006666;
  margin: 0;
  padding: 10px 0;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a:hover {
  text-decoration: underline;
}

section {
  padding: 30px 20px;
  text-align: center;
}

h2 {
  margin-bottom: 20px;
  color: #333;
}

.producto {
  background: white;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 15px;
  margin: 10px;
  max-width: 300px;
  text-align: center;
  display: inline-block;
  vertical-align: top;
}

.producto img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}

.precio {
  font-weight: bold;
  color: #008000;
  margin-top: 10px;
}

.btn-whatsapp {
  display: inline-block;
  margin-top: 10px;
  background-color: #25D366;
  color: white;
  padding: 10px 15px;
  text-decoration: none;
  border-radius: 5px;
}

.btn-whatsapp:hover {
  background-color: #1ebe5b;
}

footer {
  background-color: #222;
  color: #ccc;
  text-align: center;
  padding: 10px;
  margin-top: 40px;
}