body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
header {
  background: #4CAF50;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
nav a {
  margin: 0 10px;
  color: white;
  text-decoration: none;
}
.products {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem;
}
.product {
  border: 1px solid #ccc;
  padding: 1rem;
  width: 250px;
}
.product img {
  width: 100%;
  height: auto;
}
footer {
  text-align: center;
  padding: 1rem;
  background-color: #eee;
}
@media screen and (max-width: 600px) {
  .products {
    flex-direction: column;
    align-items: center;
  }
}