html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #000;
}

canvas {
  margin: 20px;
  border: 3px solid white;
  border-radius: 10px;
}

.controls {
  display: flex;
  gap:1.5rem;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

label {
  color: white;
  font-size: 14px;
}

input[type="range"] {
  width: 150px;
}

button {
  padding: 5px 10px;
  background-color: white;
  border: 1px solid #ccc;
  border-radius: 5px;
  cursor: pointer;
}

button:disabled {
  background-color: #888;
  cursor: not-allowed;
}

span {
  color: white;
}