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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 20px;
}

h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
}

input[type="file"] {
  margin-bottom: 10px;
}

input[type="submit"] {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  cursor: pointer;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.gallery img {
  max-width: 200px;
  margin: 10px;
  object-fit: cover;
}