body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  color: #333;
  text-align: center;
  margin: 0;
  padding: 0;
}

.container {
  margin: 50px auto;
  padding: 20px;
  width: 400px;
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 5px;
}

h1 {
  color: #333;
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 10px;
}

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

button {
  padding: 10px 20px;
  border: none;
  background: #007bff;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

#result {
  margin-top: 20px;
  color: green;
}