body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 50px;
}

h1 {
  color: #333;
}

input[type="file"] {
  margin: 20px 0;
}

img {
  max-width: 100%;
  height: auto;
  margin-top: 20px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.loader {
  border: 5px solid #f3f3f3;
  border-top: 5px solid #3498db;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
  display: none;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}