accordion

function toggle() {

    let button = document.querySelector(`span.button`);
    let butonName = document.getElementsByClassName(`button`)[0];
    let divHiden = document.getElementById(`extra`);

    button.addEventListener(`click`,()=>{

        if(butonName.textContent == `More`) {
            divHiden.style.display = `block`;
            butonName.textContent = `Less`;
        } else if(butonName.textContent == `Less`) {

                divHiden.style.display = `none`;
                butonName.textContent = `More`;
        }

    })
}