body {
  font-family: Arial, sans-serif;
  margin: 40px;
  background-color: #f2f2f2;
}
form { 
	background: white; 
	padding: 2rem; 
	border-radius: 10px; 
	max-width: 400px; 
	margin: auto; 
}
input, button {
  padding: 10px;
  margin: 5px 0;
  width: 300px;
}
canvas {
  background-color: white;
  border: 1px solid #ccc;
}