body {
  font-family: Arial, sans-serif;
  margin: 40px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 40px;
}

.btn {
  background: #0055ff;
  color: white;
  padding: 12px 20px;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  display: inline-block;
  margin-top: 20px;
}

.hero {
  margin-top: 60px;
}

.product-list li {
  margin: 10px 0;
}