.wordpress-solution-body {
      margin: 0;
      padding: 0;
      font-family: Arial, sans-serif;
      background-color: #f4f4f4;
    }
    #pdf-viewer {
      width: 100%;
      height: calc(100vh - 60px); /* Adjust height to account for controls */
      overflow: auto;
      background-color: #f4f4f4;
    }
    canvas {
      display: block;
      margin: 0 auto;
      width: 100%;
      height: auto;
    }
    #controls {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px;
      background-color: #333;
      color: #fff;
      position: sticky;
      bottom: 0;
      z-index: 1000;
    }
    #controls button {
      background-color: #555;
      border: none;
      padding: 10px 20px;
      color: #fff;
      cursor: pointer;
    }
    #controls button:hover {
      background-color: #777;
    }
    @media (max-width: 768px) {
      #controls {
        flex-direction: column;
        align-items: flex-start;
        padding: 5px;
      }
      #controls button {
        margin-bottom: 5px;
        width: 100%;
      }
      #controls span {
        margin-top: 5px;
      }
    }