body {
  font-family: sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 0;
}

header {
  background: #333;
  color: white;
  padding: 1em;
  text-align: center;
}

#products {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  padding: 1em;
  justify-content: center;
}

.product {
  background: white;
  border-radius: 10px;
  padding: 1em;
  width: 200px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

button {
  background: #007bff;
  color: white;
  border: none;
  padding: 0.5em 1em;
  cursor: pointer;
  border-radius: 5px;
}

.buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}