const topsitesEditBtn = document.querySelector(".edit-topsites-button button");
    topsitesEditBtn.click();

    //Find the "Add" button
    const topsitesAddBtn = document.querySelector(".add");
    topsitesAddBtn.click();

    // Write field title
    let fieldTitle = document.querySelector(".field.title input");
    fieldTitle.value = "Youtube";

    // Write field url
    let fieldURL = document.querySelector(".field.url input");
    fieldURL.value = "https://www.youtube.com/";

    //Click the "Add" button
    let addBtn = content.document.querySelector(".done.add").click();