body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
}

header {
  background-color: #333;
  color: white;
  padding: 1rem;
  text-align: center;
}

header h1 {
  margin: 0;
}

nav a {
  color: white;
  margin: 0 1rem;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

input, button {
  padding: 0.5rem;
  margin: 0.5rem 0;
  font-size: 1rem;
}

button {
  background-color: #007bff;
  color: white;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.gallery-item img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

#image-container img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}