body {
  font-family: "Jetbrains Mono", sans-serif;
  margin: 0;
  padding: 0;
  background-color: #E6F0FF;
  color: #333;
  min-height: 100vh;
}

a {
  color: #007BFF;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  background-color: #007BFF;
  color: #fff;
}

footer {
  background-color: #007BFF;
  color: #fff;
  padding: 2rem;
  text-align: center;
  margin-top: auto;
}

main {
  flex: 1;
  padding: 2rem;
}

.certificate-gallery img {
  transition: transform 0.3s ease;
}

.certificate-gallery img:hover {
  transform: scale(1.05);
}