/* Overlay background */
    .popup-overlay {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: rgba(0,0,0,0.6);
      display: flex;
      justify-content: center;
      align-items: center;
      visibility: hidden;
      opacity: 0;
      transition: opacity 0.3s ease, visibility 0.3s ease;
      z-index: 999;
    }

    /* Popup box */
    .popup {
    	background: #fff;
    	padding: 20px;
    	border-radius: 20px;
    	max-width: 400px;
    	background: #6f725f;
    	text-align: center;
    	border: 12px solid #ffd580;
    }

    .popup h2 {
      color: #ffd580;
    }

    .popup button {
      cursor: pointer;
    }
    
    /* Show popup */
    .popup-overlay.active {
      visibility: visible;
      opacity: 1;
    }