body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

header {
  background-color: #f2f2f2;
  padding: 20px;
  text-align: center;
}

.logo img {
  max-width: 200px;
}

h2 {
  font-size: 32px;
  margin-bottom: 10px;
}

h3 {
  font-size: 18px;
  color: #888;
  margin-bottom: 20px;
}

main {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 70vh;
}

.group img {
  max-width: 100%;
  max-height: 100%;
}

footer {
  background-color: #f2f2f2;
  padding: 20px;
  text-align: center;
}

button {
  padding: 10px 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background-color: #45a049;
}