login.innerHTML = '<a role="button" id="login" class="show">Log in</a>';
sidebar.insertBefore(login, sidebar.firstChild);
$('#login').on('click', e => {
login.innerHTML = '<a role="button" id="login" class="show">Log in</a>';
sidebar.insertBefore(login, sidebar.firstChild);
$('#login').on('click', e => {