body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: url('https://cdn.pixabay.com/photo/2020/04/24/17/40/technology-5084080_960_720.jpg') no-repeat center center fixed;
  background-size: cover;
  backdrop-filter: blur(5px);
  color: white;
  text-align: center;
}

.container {
  margin-top: 50px;
}

canvas {
  border: 8px solid white;
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(0,0,0,0.4);
}

button {
  padding: 15px 30px;
  font-size: 18px;
  margin-top: 20px;
  cursor: pointer;
  background: #ff5722;
  color: white;
  border: none;
  border-radius: 8px;
  transition: background 0.3s ease;
}

button:hover {
  background: #e64a19;
}

#result {
  margin-top: 30px;
  font-size: 20px;
}