body {
  font-family: "Roboto", sans-serif;
  text-align: center;
  margin-top: 50px;
  background-color: #f5f5f5;
  color: #333;
}

canvas {
  border: 1px solid #c1c1c1;
  cursor: crosshair;
  display: block;
  margin: 0 auto;
  box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.1);
}

button {
  margin-top: 20px;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  background-color: #007bff;
  color: #ffffff;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0056b3;
}

label {
  font-weight: 500;
  margin-right: 10px;
}

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

input[type="color"] {
  vertical-align: middle;
}

.controls {
  margin-top: 20px;
}