body {
  font-family: "Segoe UI", sans-serif;
  background-image: url("/images/orto-bg.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.container {
  background-color: rgba(255, 255, 255, 0.95);
  padding: 30px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0, 128, 0, 0.1);
}
.btn {
  border-radius: 30px;
}
h1, h2, h3 {
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.05);
}