in src/frontend_service/static/index.js [297:317]
function showSignOut(){
$('.popup-signout').show()
const overlay = document.createElement('div');
overlay.style.position = 'fixed';
overlay.style.top = '0';
overlay.style.left = '0';
overlay.style.width = '100%';
overlay.style.height = '100%';
overlay.style.backgroundColor = 'rgba(0,0,0,0.5)';
overlay.addEventListener('click', function() {
$('.popup-signout').hide()
if (overlay.parentNode) {
overlay.parentNode.removeChild(overlay);
}
});
document.body.appendChild(overlay);
}