body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
}

header {
  background-color: #1e73be;
  color: white;
  padding: 1em;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

nav a {
  color: white;
  text-decoration: none;
}

main {
  padding: 2em;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.producto {
  background: white;
  border: 1px solid #ccc;
  border-radius: 8px;
  width: 200px;
  padding: 1em;
  text-align: center;
}

.producto img {
  width: 100%;
  height: 120px;
  object-fit: contain;
}

button {
  margin-top: 10px;
  padding: 8px 12px;
  background: #1e73be;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 1em;
  background-color: #333;
  color: white;
  margin-top: 2em;
}