.sticky-div {
        position: fixed;
        top: 1px;
        z-index: 10;
        float: right;
        right: 1px;
    }

    #overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.7); /* Adjust opacity as needed */
        z-index: 1000;
        display: none; /* Keep overlay hidden initially */
    }

    #popupContainer {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #fff0;
        z-index: 1001;
        display: none; /* Keep popup hidden initially */
    }

    #popupContainer iframe {
        width: 800px;
        height: 600px;
    }

    a {
        color: blue;
        text-decoration: underline;
        cursor: pointer;
    }

    #closeButton {
        position: absolute;
        top: -22px;
        right: -22px;
        font-size: 20px;
        cursor: pointer;
        background-color: cornflowerblue;
        border-radius: 36px;
        padding: 5px;
        font-size: smaller;
    }