How to use Todo List App?

1. Type any word(s) in a white box and click 'Add Todo' button.
2. Once your Todos are listed, you can delete each single Todo by clicking 'Delete' button.
3. When you are done with your Todo(s), you can mark it by using each checkbox.
4. If you want to clear out completed Todo(s), you can simply click 'Clear Completed Todo' button. Then it will clear out Todo(s) that you have marked it as done.