body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
}

header {
  background-color: #004d40;
  color: white;
  padding: 0px;
  text-align: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 99%;
  z-index: 1000;
}

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

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

section {
  padding: 40px;
  background-color: white;
  margin: 20px;
  border-radius: 8px;
}

div {
  max-width: 1200px;
  margin: auto;
  text-align: center;
}

.introduction {
  text-align: center;
}

.product-card {
  border: 1px solid #ccc;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

.product-card img {
  max-width: 200px;
  margin-bottom: 10px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input, textarea, button {
  padding: 10px;
  font-size: 16px;
}

button {
  background-color: #00796b;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #004d40;
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #eee;
}