/* source: faerdighed\procentregning\procent10.htm style block 1 */
body {
      font-family: sans-serif;
      text-align: center;
      background-color: #f5faff;
    }
    canvas {
      border: 1px solid #ccc;
      border-radius: 10px;
      background-color: white;
      margin: 20px;
    }
    .button-container button {
      font-size: 16px;
      padding: 10px 20px;
      margin: 10px;
      border-radius: 5px;
      border: 1px solid #007acc;
      background-color: #007acc;
      color: white;
    }
    .button-container button:hover {
      background-color: #005a99;
    }
    #answerBox {
      display: none;
      margin-top: 20px;
      font-weight: bold;
    }