* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body {
  background-color: #f8f9fa;
  font-family: "Arial", sans-serif;
}

.container {
  margin-top: 40px;
}

h1 {
  color: #007bff;
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 40px;
  text-transform: uppercase;
}

h2 {
  color: #343a40;
  font-size: 2rem;
  border-bottom: 2px solid #007bff;
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.pdf-card {
  background-color: #ffffff;
  border: 1px solid #dee2e6;
  border-radius: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pdf-card:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.pdf-card .card-title {
  color: #007bff;
  font-size: 1.25rem;
  font-weight: bold;
}

.pdf-card .card-text {
  font-size: 1rem;
  color: #6c757d;
}

.btn-primary {
  background-color: #007bff;
  border-color: #007bff;
}

.btn-primary:hover {
  background-color: #0056b3;
  border-color: #004085;
}

.folder-section {
  margin-bottom: 50px;
}

.section-divider {
  height: 2px;
  background-color: #007bff;
  margin: 40px 0;
}