body {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f2f2f2;
    font-family: 'Arial', sans-serif;
    color: #000;
  }
  
  .container {
    text-align: center;
    background-color: #fff;
    border: 3px solid #000;
    padding: 20px;
    max-width: 600px;
    width: 100%;
  }
  
  h1 {
    margin: 0 0 20px 0;
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 3px solid #000;
    padding-bottom: 10px;
  }
  
  #canvas-container {
    display: inline-block;
    border: 3px solid #000;
    background-color: #fff;
    margin-bottom: 20px;
    width: 100%;
  }
  
  .controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
  
  label {
    font-size: 1rem;
  }
  
  input[type="range"], input[type="color"] {
    width: 100%;
    max-width: 300px;
  }
  
  button {
    padding: 10px 20px;
    font-size: 1rem;
    background-color: #fff;
    border: 3px solid #000;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
    text-transform: uppercase;
  }
  
  button:hover {
    background-color: #000;
    color: #fff;
    transform: translateY(-2px);
  }