/* The Modal (background) */

        .modal-container {
          display: none;
          position: fixed;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          z-index: 99999;
          background-color: rgba(255, 255, 255, 0.89);
          justify-content: center;
          align-items: center;
          pointer-events: none;
          transition: all 0.3s;
        }
      
        .modal-container .close {
          position: absolute;
          top: 3%;
          right: 10px;
          font-size: 30px;
          cursor: pointer;
          color: rgb(0, 0, 0);
          pointer-events: visible;
        }
      
      .modal-container .close:hover {
          color: gray;}
      
      .video-frame {
        width: 80%;
        max-width: 700px;
        height: 394px;
        pointer-events: visible; 
      
      }

      .quiz-frame {
        width: 90%;
        max-width: 900px;
        min-width: 900px;
        height: 90%;
        pointer-events: visible; 
      
      }