body {
  font-family: Arial, sans-serif;
  background: #fff;
  color: #000;
  text-align: center;
  padding: 2rem;
}

input[type="file"] {
  margin: 1rem 0;
}

button {
  background: #000;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  margin: 0.5rem;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background: #333;
}

img {
  margin-top: 1rem;
  max-width: 100%;
  height: auto;
  display: none;
}