/* General styles */
body {
  font-family: Arial, sans-serif;
  background-color: #9DBAB4;
  margin: 0;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 36px;
  color: #003366;
  margin-bottom: 20px;
}

#card {
  width: 900px;
  height: 600px;
  margin: 50px auto;
  perspective: 1000px;
}

.front, .back {
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.front img, .back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.back {
  transform: rotateY(180deg);
}

.pdf-link a {
  font-size: 28px;
  color: #003366;
  font-weight: bold;
  text-decoration: none;
  padding: 15px 30px;
  display: inline-block;
  border: 2px solid #003366;
  border-radius: 5px;
  background-color: #f0f8ff;
  margin-top: 20px;
}

.pdf-link a:hover {
  background-color: #003366;
  color: #fff;
  text-decoration: none;
}