function toggle() {
    let extra = document.getElementById("extra");
    let button = document.querySelector("#accordion > div.head > span")
    // debugger;
    let str = button.textContent;
    console.log(button.textContent);
    if (str === "More") {
        extra.style.display = "block";
        button.innerHTML = "Less";
    } else  {
        extra.style.display = "none";
        button.innerHTML = "More";
    }
}