Design a Web application of sudoku game using python and ui

This is a web application with login page having a id, password,signup and forgot password fields. After logging in it should direct to a welcome page saying welcome to sudoku and next page it should start the game with runing the timer, when the timer is done it should show game is over and it should display the solution for game if the user is requested. the ui should be simple with some background color, and some simple themes most importantly it should be developed in PYTHON.