body {
  font-family: 'Segoe UI', sans-serif;
  background: #f4f9ff;
  margin: 0;
  padding: 0;
  color: #333;
}
header {
  background-color: #0077b6;
  color: white;
  padding: 30px 20px;
  text-align: center;
}
main {
  max-width: 700px;
  margin: 30px auto;
  padding: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
}
form label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}
form input, form select, form textarea {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border-radius: 5px;
  border: 1px solid #ccc;
}
button, .order-button {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  background-color: #25D366;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1em;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: inline-block;
}
button:hover, .order-button:hover {
  background-color: #1ebe5d;
}
footer {
  text-align: center;
  background-color: #004d4d;
  color: white;
  padding: 15px;
  margin-top: 50px;
}