update

made mobile actually work :)

script.js

@@ -0,0 +1,22 @@
+const wrapper = document.querySelector('.wrapper');
+const loginLink = document.querySelector('.login-link');
+const registerLink = document.querySelector('.register-link');
+const btnPopup = document.querySelector('.btnLogin-popup');
+const iconClose = document.querySelector('.icon-close');
+
+registerLink.addEventListener('click', ()=> {
+    wrapper.classList.add('active');
+});
+
+loginLink.addEventListener('click', ()=> {
+    wrapper.classList.remove('active');
+});
+
+btnPopup.addEventListener('click', ()=> {
+    wrapper.classList.add('active-popup');
+});
+
+iconClose.addEventListener('click', ()=> {
+    wrapper.classList.remove('active-popup');
+    wrapper.classList.remove('active');
+});