body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #ffffff;
  color: ##F6F8FA;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid #eee;
}

.header a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.hero {
  padding: 60px 40px;
  max-width: 800px;
}

.button {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background: #1f4fd8;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
}

.product-card {
  border: 1px solid #eee;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 4px;
}