body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #1e1e2f;
  color: #f0f0f0;
  padding: 20px;
  text-align: center;
}

input {
  padding: 10px;
  margin: 5px;
  border-radius: 5px;
  border: none;
}

button {
  padding: 10px 20px;
  background-color: #00ffc3;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
}

canvas {
  border: 2px solid #00ffc3;
  background-color: #121212;
  margin-top: 20px;
}

#palette button {
  width: 30px;
  height: 30px;
  margin: 5px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}